The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* libs/opengles/texture.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include <stdio.h> |
| 19 | #include <stdlib.h> |
| 20 | #include "context.h" |
| 21 | #include "fp.h" |
| 22 | #include "state.h" |
| 23 | #include "texture.h" |
| 24 | #include "TextureObjectManager.h" |
| 25 | |
Mathias Agopian | 58a79f4 | 2009-05-05 18:21:32 -0700 | [diff] [blame] | 26 | #include <private/ui/android_natives_priv.h> |
Mathias Agopian | 18b915a | 2010-02-01 18:24:52 -0800 | [diff] [blame] | 27 | #include <ETC1/etc1.h> |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 28 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | namespace android { |
| 30 | |
| 31 | // ---------------------------------------------------------------------------- |
| 32 | |
| 33 | static void bindTextureTmu( |
| 34 | ogles_context_t* c, int tmu, GLuint texture, const sp<EGLTextureObject>& tex); |
| 35 | |
| 36 | static __attribute__((noinline)) |
| 37 | void generateMipmap(ogles_context_t* c, GLint level); |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | |
| 41 | #if 0 |
| 42 | #pragma mark - |
| 43 | #pragma mark Init |
| 44 | #endif |
| 45 | |
| 46 | void ogles_init_texture(ogles_context_t* c) |
| 47 | { |
| 48 | c->textures.packAlignment = 4; |
| 49 | c->textures.unpackAlignment = 4; |
| 50 | |
| 51 | // each context has a default named (0) texture (not shared) |
| 52 | c->textures.defaultTexture = new EGLTextureObject(); |
| 53 | c->textures.defaultTexture->incStrong(c); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 54 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | // bind the default texture to each texture unit |
| 56 | for (int i=0; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 57 | bindTextureTmu(c, i, 0, c->textures.defaultTexture); |
| 58 | memset(c->current.texture[i].v, 0, sizeof(vec4_t)); |
| 59 | c->current.texture[i].Q = 0x10000; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | void ogles_uninit_texture(ogles_context_t* c) |
| 64 | { |
| 65 | if (c->textures.ggl) |
| 66 | gglUninit(c->textures.ggl); |
| 67 | c->textures.defaultTexture->decStrong(c); |
| 68 | for (int i=0; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 69 | if (c->textures.tmu[i].texture) |
| 70 | c->textures.tmu[i].texture->decStrong(c); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | static __attribute__((noinline)) |
| 75 | void validate_tmu(ogles_context_t* c, int i) |
| 76 | { |
| 77 | texture_unit_t& u(c->textures.tmu[i]); |
| 78 | if (u.dirty) { |
| 79 | u.dirty = 0; |
| 80 | c->rasterizer.procs.activeTexture(c, i); |
| 81 | c->rasterizer.procs.bindTexture(c, &(u.texture->surface)); |
| 82 | c->rasterizer.procs.texGeni(c, GGL_S, |
| 83 | GGL_TEXTURE_GEN_MODE, GGL_AUTOMATIC); |
| 84 | c->rasterizer.procs.texGeni(c, GGL_T, |
| 85 | GGL_TEXTURE_GEN_MODE, GGL_AUTOMATIC); |
| 86 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 87 | GGL_TEXTURE_WRAP_S, u.texture->wraps); |
| 88 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 89 | GGL_TEXTURE_WRAP_T, u.texture->wrapt); |
| 90 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 91 | GGL_TEXTURE_MIN_FILTER, u.texture->min_filter); |
| 92 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 93 | GGL_TEXTURE_MAG_FILTER, u.texture->mag_filter); |
| 94 | |
| 95 | // disable this texture unit if it's not complete |
| 96 | if (!u.texture->isComplete()) { |
| 97 | c->rasterizer.procs.disable(c, GGL_TEXTURE_2D); |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 102 | void ogles_validate_texture(ogles_context_t* c) |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 103 | { |
| 104 | for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 105 | if (c->rasterizer.state.texture[i].enable) |
| 106 | validate_tmu(c, i); |
| 107 | } |
| 108 | c->rasterizer.procs.activeTexture(c, c->textures.active); |
| 109 | } |
| 110 | |
| 111 | static |
| 112 | void invalidate_texture(ogles_context_t* c, int tmu, uint8_t flags = 0xFF) { |
| 113 | c->textures.tmu[tmu].dirty = flags; |
| 114 | } |
| 115 | |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 116 | /* |
| 117 | * If the active textures are EGLImage, they need to be locked before |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 118 | * they can be used. |
| 119 | * |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 120 | * FIXME: code below is far from being optimal |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 121 | * |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 122 | */ |
| 123 | |
| 124 | void ogles_lock_textures(ogles_context_t* c) |
| 125 | { |
| 126 | for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 127 | if (c->rasterizer.state.texture[i].enable) { |
| 128 | texture_unit_t& u(c->textures.tmu[i]); |
| 129 | android_native_buffer_t* native_buffer = u.texture->buffer; |
| 130 | if (native_buffer) { |
| 131 | c->rasterizer.procs.activeTexture(c, i); |
| 132 | hw_module_t const* pModule; |
| 133 | if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule)) |
| 134 | continue; |
| 135 | |
| 136 | gralloc_module_t const* module = |
| 137 | reinterpret_cast<gralloc_module_t const*>(pModule); |
Mathias Agopian | 21c59d0 | 2009-05-05 00:59:23 -0700 | [diff] [blame] | 138 | |
Mathias Agopian | e71212b | 2009-05-05 00:37:46 -0700 | [diff] [blame] | 139 | void* vaddr; |
Mathias Agopian | 21c59d0 | 2009-05-05 00:59:23 -0700 | [diff] [blame] | 140 | int err = module->lock(module, native_buffer->handle, |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 141 | GRALLOC_USAGE_SW_READ_OFTEN, |
| 142 | 0, 0, native_buffer->width, native_buffer->height, |
Mathias Agopian | e71212b | 2009-05-05 00:37:46 -0700 | [diff] [blame] | 143 | &vaddr); |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 144 | |
Mathias Agopian | e71212b | 2009-05-05 00:37:46 -0700 | [diff] [blame] | 145 | u.texture->setImageBits(vaddr); |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 146 | c->rasterizer.procs.bindTexture(c, &(u.texture->surface)); |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | void ogles_unlock_textures(ogles_context_t* c) |
| 153 | { |
| 154 | for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 155 | if (c->rasterizer.state.texture[i].enable) { |
| 156 | texture_unit_t& u(c->textures.tmu[i]); |
| 157 | android_native_buffer_t* native_buffer = u.texture->buffer; |
| 158 | if (native_buffer) { |
| 159 | c->rasterizer.procs.activeTexture(c, i); |
| 160 | hw_module_t const* pModule; |
| 161 | if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule)) |
| 162 | continue; |
| 163 | |
| 164 | gralloc_module_t const* module = |
| 165 | reinterpret_cast<gralloc_module_t const*>(pModule); |
Mathias Agopian | 21c59d0 | 2009-05-05 00:59:23 -0700 | [diff] [blame] | 166 | |
| 167 | module->unlock(module, native_buffer->handle); |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 168 | u.texture->setImageBits(NULL); |
| 169 | c->rasterizer.procs.bindTexture(c, &(u.texture->surface)); |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | c->rasterizer.procs.activeTexture(c, c->textures.active); |
| 174 | } |
| 175 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 176 | // ---------------------------------------------------------------------------- |
| 177 | #if 0 |
| 178 | #pragma mark - |
| 179 | #pragma mark Format conversion |
| 180 | #endif |
| 181 | |
| 182 | static uint32_t gl2format_table[6][4] = { |
| 183 | // BYTE, 565, 4444, 5551 |
| 184 | { GGL_PIXEL_FORMAT_A_8, |
| 185 | 0, 0, 0 }, // GL_ALPHA |
| 186 | { GGL_PIXEL_FORMAT_RGB_888, |
| 187 | GGL_PIXEL_FORMAT_RGB_565, |
| 188 | 0, 0 }, // GL_RGB |
| 189 | { GGL_PIXEL_FORMAT_RGBA_8888, |
| 190 | 0, |
| 191 | GGL_PIXEL_FORMAT_RGBA_4444, |
| 192 | GGL_PIXEL_FORMAT_RGBA_5551 }, // GL_RGBA |
| 193 | { GGL_PIXEL_FORMAT_L_8, |
| 194 | 0, 0, 0 }, // GL_LUMINANCE |
| 195 | { GGL_PIXEL_FORMAT_LA_88, |
| 196 | 0, 0, 0 }, // GL_LUMINANCE_ALPHA |
| 197 | }; |
| 198 | |
| 199 | static int32_t convertGLPixelFormat(GLint format, GLenum type) |
| 200 | { |
| 201 | int32_t fi = -1; |
| 202 | int32_t ti = -1; |
| 203 | switch (format) { |
| 204 | case GL_ALPHA: fi = 0; break; |
| 205 | case GL_RGB: fi = 1; break; |
| 206 | case GL_RGBA: fi = 2; break; |
| 207 | case GL_LUMINANCE: fi = 3; break; |
| 208 | case GL_LUMINANCE_ALPHA: fi = 4; break; |
| 209 | } |
| 210 | switch (type) { |
| 211 | case GL_UNSIGNED_BYTE: ti = 0; break; |
| 212 | case GL_UNSIGNED_SHORT_5_6_5: ti = 1; break; |
| 213 | case GL_UNSIGNED_SHORT_4_4_4_4: ti = 2; break; |
| 214 | case GL_UNSIGNED_SHORT_5_5_5_1: ti = 3; break; |
| 215 | } |
| 216 | if (fi==-1 || ti==-1) |
| 217 | return 0; |
| 218 | return gl2format_table[fi][ti]; |
| 219 | } |
| 220 | |
| 221 | // ---------------------------------------------------------------------------- |
| 222 | |
| 223 | static GLenum validFormatType(ogles_context_t* c, GLenum format, GLenum type) |
| 224 | { |
| 225 | GLenum error = 0; |
| 226 | if (format<GL_ALPHA || format>GL_LUMINANCE_ALPHA) { |
| 227 | error = GL_INVALID_ENUM; |
| 228 | } |
| 229 | if (type != GL_UNSIGNED_BYTE && type != GL_UNSIGNED_SHORT_4_4_4_4 && |
| 230 | type != GL_UNSIGNED_SHORT_5_5_5_1 && type != GL_UNSIGNED_SHORT_5_6_5) { |
| 231 | error = GL_INVALID_ENUM; |
| 232 | } |
| 233 | if (type == GL_UNSIGNED_SHORT_5_6_5 && format != GL_RGB) { |
| 234 | error = GL_INVALID_OPERATION; |
| 235 | } |
| 236 | if ((type == GL_UNSIGNED_SHORT_4_4_4_4 || |
| 237 | type == GL_UNSIGNED_SHORT_5_5_5_1) && format != GL_RGBA) { |
| 238 | error = GL_INVALID_OPERATION; |
| 239 | } |
| 240 | if (error) { |
| 241 | ogles_error(c, error); |
| 242 | } |
| 243 | return error; |
| 244 | } |
| 245 | |
| 246 | // ---------------------------------------------------------------------------- |
| 247 | |
| 248 | GGLContext* getRasterizer(ogles_context_t* c) |
| 249 | { |
| 250 | GGLContext* ggl = c->textures.ggl; |
| 251 | if (ggl_unlikely(!ggl)) { |
| 252 | // this is quite heavy the first time... |
| 253 | gglInit(&ggl); |
| 254 | if (!ggl) { |
| 255 | return 0; |
| 256 | } |
| 257 | GGLfixed colors[4] = { 0, 0, 0, 0x10000 }; |
| 258 | c->textures.ggl = ggl; |
| 259 | ggl->activeTexture(ggl, 0); |
| 260 | ggl->enable(ggl, GGL_TEXTURE_2D); |
| 261 | ggl->texEnvi(ggl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| 262 | ggl->disable(ggl, GGL_DITHER); |
| 263 | ggl->shadeModel(ggl, GGL_FLAT); |
| 264 | ggl->color4xv(ggl, colors); |
| 265 | } |
| 266 | return ggl; |
| 267 | } |
| 268 | |
| 269 | static __attribute__((noinline)) |
| 270 | int copyPixels( |
| 271 | ogles_context_t* c, |
| 272 | const GGLSurface& dst, |
| 273 | GLint xoffset, GLint yoffset, |
| 274 | const GGLSurface& src, |
| 275 | GLint x, GLint y, GLsizei w, GLsizei h) |
| 276 | { |
| 277 | if ((dst.format == src.format) && |
| 278 | (dst.stride == src.stride) && |
| 279 | (dst.width == src.width) && |
| 280 | (dst.height == src.height) && |
| 281 | (dst.stride > 0) && |
| 282 | ((x|y) == 0) && |
| 283 | ((xoffset|yoffset) == 0)) |
| 284 | { |
| 285 | // this is a common case... |
| 286 | const GGLFormat& pixelFormat(c->rasterizer.formats[src.format]); |
| 287 | const size_t size = src.height * src.stride * pixelFormat.size; |
| 288 | memcpy(dst.data, src.data, size); |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | // use pixel-flinger to handle all the conversions |
| 293 | GGLContext* ggl = getRasterizer(c); |
| 294 | if (!ggl) { |
| 295 | // the only reason this would fail is because we ran out of memory |
| 296 | return GL_OUT_OF_MEMORY; |
| 297 | } |
| 298 | |
| 299 | ggl->colorBuffer(ggl, &dst); |
| 300 | ggl->bindTexture(ggl, &src); |
| 301 | ggl->texCoord2i(ggl, x-xoffset, y-yoffset); |
| 302 | ggl->recti(ggl, xoffset, yoffset, xoffset+w, yoffset+h); |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | // ---------------------------------------------------------------------------- |
| 307 | |
| 308 | static __attribute__((noinline)) |
| 309 | sp<EGLTextureObject> getAndBindActiveTextureObject(ogles_context_t* c) |
| 310 | { |
| 311 | sp<EGLTextureObject> tex; |
| 312 | const int active = c->textures.active; |
| 313 | const GLuint name = c->textures.tmu[active].name; |
| 314 | |
| 315 | // free the reference to the previously bound object |
| 316 | texture_unit_t& u(c->textures.tmu[active]); |
| 317 | if (u.texture) |
| 318 | u.texture->decStrong(c); |
| 319 | |
| 320 | if (name == 0) { |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 321 | // 0 is our local texture object, not shared with anyone. |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 322 | // But it affects all bound TMUs immediately. |
| 323 | // (we need to invalidate all units bound to this texture object) |
| 324 | tex = c->textures.defaultTexture; |
| 325 | for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 326 | if (c->textures.tmu[i].texture == tex.get()) |
| 327 | invalidate_texture(c, i); |
| 328 | } |
| 329 | } else { |
| 330 | // get a new texture object for that name |
| 331 | tex = c->surfaceManager->replaceTexture(name); |
| 332 | } |
| 333 | |
| 334 | // bind this texture to the current active texture unit |
| 335 | // and add a reference to this texture object |
| 336 | u.texture = tex.get(); |
| 337 | u.texture->incStrong(c); |
| 338 | u.name = name; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 339 | invalidate_texture(c, active); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 340 | return tex; |
| 341 | } |
| 342 | |
| 343 | void bindTextureTmu( |
| 344 | ogles_context_t* c, int tmu, GLuint texture, const sp<EGLTextureObject>& tex) |
| 345 | { |
| 346 | if (tex.get() == c->textures.tmu[tmu].texture) |
| 347 | return; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 348 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 349 | // free the reference to the previously bound object |
| 350 | texture_unit_t& u(c->textures.tmu[tmu]); |
| 351 | if (u.texture) |
| 352 | u.texture->decStrong(c); |
| 353 | |
| 354 | // bind this texture to the current active texture unit |
| 355 | // and add a reference to this texture object |
| 356 | u.texture = tex.get(); |
| 357 | u.texture->incStrong(c); |
| 358 | u.name = texture; |
| 359 | invalidate_texture(c, tmu); |
| 360 | } |
| 361 | |
| 362 | int createTextureSurface(ogles_context_t* c, |
| 363 | GGLSurface** outSurface, int32_t* outSize, GLint level, |
| 364 | GLenum format, GLenum type, GLsizei width, GLsizei height, |
| 365 | GLenum compressedFormat = 0) |
| 366 | { |
| 367 | // find out which texture is bound to the current unit |
| 368 | const int active = c->textures.active; |
| 369 | const GLuint name = c->textures.tmu[active].name; |
| 370 | |
| 371 | // convert the pixelformat to one we can handle |
| 372 | const int32_t formatIdx = convertGLPixelFormat(format, type); |
| 373 | if (formatIdx == 0) { // we don't know what to do with this |
| 374 | return GL_INVALID_OPERATION; |
| 375 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 376 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 377 | // figure out the size we need as well as the stride |
| 378 | const GGLFormat& pixelFormat(c->rasterizer.formats[formatIdx]); |
| 379 | const int32_t align = c->textures.unpackAlignment-1; |
| 380 | const int32_t bpr = ((width * pixelFormat.size) + align) & ~align; |
| 381 | const size_t size = bpr * height; |
| 382 | const int32_t stride = bpr / pixelFormat.size; |
| 383 | |
| 384 | if (level > 0) { |
| 385 | const int active = c->textures.active; |
| 386 | EGLTextureObject* tex = c->textures.tmu[active].texture; |
| 387 | status_t err = tex->reallocate(level, |
| 388 | width, height, stride, formatIdx, compressedFormat, bpr); |
| 389 | if (err != NO_ERROR) |
| 390 | return GL_OUT_OF_MEMORY; |
| 391 | GGLSurface& surface = tex->editMip(level); |
| 392 | *outSurface = &surface; |
| 393 | *outSize = size; |
| 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | sp<EGLTextureObject> tex = getAndBindActiveTextureObject(c); |
| 398 | status_t err = tex->reallocate(level, |
| 399 | width, height, stride, formatIdx, compressedFormat, bpr); |
| 400 | if (err != NO_ERROR) |
| 401 | return GL_OUT_OF_MEMORY; |
| 402 | |
| 403 | tex->internalformat = format; |
| 404 | *outSurface = &tex->surface; |
| 405 | *outSize = size; |
| 406 | return 0; |
| 407 | } |
| 408 | |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 409 | static size_t dataSizePalette4(int numLevels, int width, int height, int format) |
| 410 | { |
| 411 | int indexBits = 8; |
| 412 | int entrySize = 0; |
| 413 | switch (format) { |
| 414 | case GL_PALETTE4_RGB8_OES: |
| 415 | indexBits = 4; |
| 416 | /* FALLTHROUGH */ |
| 417 | case GL_PALETTE8_RGB8_OES: |
| 418 | entrySize = 3; |
| 419 | break; |
| 420 | |
| 421 | case GL_PALETTE4_RGBA8_OES: |
| 422 | indexBits = 4; |
| 423 | /* FALLTHROUGH */ |
| 424 | case GL_PALETTE8_RGBA8_OES: |
| 425 | entrySize = 4; |
| 426 | break; |
| 427 | |
| 428 | case GL_PALETTE4_R5_G6_B5_OES: |
| 429 | case GL_PALETTE4_RGBA4_OES: |
| 430 | case GL_PALETTE4_RGB5_A1_OES: |
| 431 | indexBits = 4; |
| 432 | /* FALLTHROUGH */ |
| 433 | case GL_PALETTE8_R5_G6_B5_OES: |
| 434 | case GL_PALETTE8_RGBA4_OES: |
| 435 | case GL_PALETTE8_RGB5_A1_OES: |
| 436 | entrySize = 2; |
| 437 | break; |
| 438 | } |
| 439 | |
| 440 | size_t size = (1 << indexBits) * entrySize; // palette size |
| 441 | |
| 442 | for (int i=0 ; i< numLevels ; i++) { |
| 443 | int w = (width >> i) ? : 1; |
| 444 | int h = (height >> i) ? : 1; |
| 445 | int levelSize = h * ((w * indexBits) / 8) ? : 1; |
| 446 | size += levelSize; |
| 447 | } |
| 448 | |
| 449 | return size; |
| 450 | } |
| 451 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 452 | static void decodePalette4(const GLvoid *data, int level, int width, int height, |
| 453 | void *surface, int stride, int format) |
| 454 | |
| 455 | { |
| 456 | int indexBits = 8; |
| 457 | int entrySize = 0; |
| 458 | switch (format) { |
| 459 | case GL_PALETTE4_RGB8_OES: |
| 460 | indexBits = 4; |
| 461 | /* FALLTHROUGH */ |
| 462 | case GL_PALETTE8_RGB8_OES: |
| 463 | entrySize = 3; |
| 464 | break; |
| 465 | |
| 466 | case GL_PALETTE4_RGBA8_OES: |
| 467 | indexBits = 4; |
| 468 | /* FALLTHROUGH */ |
| 469 | case GL_PALETTE8_RGBA8_OES: |
| 470 | entrySize = 4; |
| 471 | break; |
| 472 | |
| 473 | case GL_PALETTE4_R5_G6_B5_OES: |
| 474 | case GL_PALETTE4_RGBA4_OES: |
| 475 | case GL_PALETTE4_RGB5_A1_OES: |
| 476 | indexBits = 4; |
| 477 | /* FALLTHROUGH */ |
| 478 | case GL_PALETTE8_R5_G6_B5_OES: |
| 479 | case GL_PALETTE8_RGBA4_OES: |
| 480 | case GL_PALETTE8_RGB5_A1_OES: |
| 481 | entrySize = 2; |
| 482 | break; |
| 483 | } |
| 484 | |
| 485 | const int paletteSize = (1 << indexBits) * entrySize; |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 486 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 487 | uint8_t const* pixels = (uint8_t *)data + paletteSize; |
| 488 | for (int i=0 ; i<level ; i++) { |
| 489 | int w = (width >> i) ? : 1; |
| 490 | int h = (height >> i) ? : 1; |
| 491 | pixels += h * ((w * indexBits) / 8); |
| 492 | } |
| 493 | width = (width >> level) ? : 1; |
| 494 | height = (height >> level) ? : 1; |
| 495 | |
| 496 | if (entrySize == 2) { |
| 497 | uint8_t const* const palette = (uint8_t*)data; |
| 498 | for (int y=0 ; y<height ; y++) { |
| 499 | uint8_t* p = (uint8_t*)surface + y*stride*2; |
| 500 | if (indexBits == 8) { |
| 501 | for (int x=0 ; x<width ; x++) { |
| 502 | int index = 2 * (*pixels++); |
| 503 | *p++ = palette[index + 0]; |
| 504 | *p++ = palette[index + 1]; |
| 505 | } |
| 506 | } else { |
| 507 | for (int x=0 ; x<width ; x+=2) { |
| 508 | int v = *pixels++; |
| 509 | int index = 2 * (v >> 4); |
| 510 | *p++ = palette[index + 0]; |
| 511 | *p++ = palette[index + 1]; |
| 512 | if (x+1 < width) { |
| 513 | index = 2 * (v & 0xF); |
| 514 | *p++ = palette[index + 0]; |
| 515 | *p++ = palette[index + 1]; |
| 516 | } |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | } else if (entrySize == 3) { |
| 521 | uint8_t const* const palette = (uint8_t*)data; |
| 522 | for (int y=0 ; y<height ; y++) { |
| 523 | uint8_t* p = (uint8_t*)surface + y*stride*3; |
| 524 | if (indexBits == 8) { |
| 525 | for (int x=0 ; x<width ; x++) { |
| 526 | int index = 3 * (*pixels++); |
| 527 | *p++ = palette[index + 0]; |
| 528 | *p++ = palette[index + 1]; |
| 529 | *p++ = palette[index + 2]; |
| 530 | } |
| 531 | } else { |
| 532 | for (int x=0 ; x<width ; x+=2) { |
| 533 | int v = *pixels++; |
| 534 | int index = 3 * (v >> 4); |
| 535 | *p++ = palette[index + 0]; |
| 536 | *p++ = palette[index + 1]; |
| 537 | *p++ = palette[index + 2]; |
| 538 | if (x+1 < width) { |
| 539 | index = 3 * (v & 0xF); |
| 540 | *p++ = palette[index + 0]; |
| 541 | *p++ = palette[index + 1]; |
| 542 | *p++ = palette[index + 2]; |
| 543 | } |
| 544 | } |
| 545 | } |
| 546 | } |
| 547 | } else if (entrySize == 4) { |
| 548 | uint8_t const* const palette = (uint8_t*)data; |
| 549 | for (int y=0 ; y<height ; y++) { |
| 550 | uint8_t* p = (uint8_t*)surface + y*stride*4; |
| 551 | if (indexBits == 8) { |
| 552 | for (int x=0 ; x<width ; x++) { |
| 553 | int index = 4 * (*pixels++); |
| 554 | *p++ = palette[index + 0]; |
| 555 | *p++ = palette[index + 1]; |
| 556 | *p++ = palette[index + 2]; |
| 557 | *p++ = palette[index + 3]; |
| 558 | } |
| 559 | } else { |
| 560 | for (int x=0 ; x<width ; x+=2) { |
| 561 | int v = *pixels++; |
| 562 | int index = 4 * (v >> 4); |
| 563 | *p++ = palette[index + 0]; |
| 564 | *p++ = palette[index + 1]; |
| 565 | *p++ = palette[index + 2]; |
| 566 | *p++ = palette[index + 3]; |
| 567 | if (x+1 < width) { |
| 568 | index = 4 * (v & 0xF); |
| 569 | *p++ = palette[index + 0]; |
| 570 | *p++ = palette[index + 1]; |
| 571 | *p++ = palette[index + 2]; |
| 572 | *p++ = palette[index + 3]; |
| 573 | } |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | |
| 581 | |
| 582 | static __attribute__((noinline)) |
Mathias Agopian | 45351bc | 2010-01-25 11:49:52 -0800 | [diff] [blame] | 583 | void set_depth_and_fog(ogles_context_t* c, GGLfixed z) |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 584 | { |
| 585 | const uint32_t enables = c->rasterizer.state.enables; |
| 586 | // we need to compute Zw |
| 587 | int32_t iterators[3]; |
| 588 | iterators[1] = iterators[2] = 0; |
| 589 | GGLfixed Zw; |
| 590 | GGLfixed n = gglFloatToFixed(c->transforms.vpt.zNear); |
| 591 | GGLfixed f = gglFloatToFixed(c->transforms.vpt.zFar); |
Mathias Agopian | 45351bc | 2010-01-25 11:49:52 -0800 | [diff] [blame] | 592 | if (z<=0) Zw = n; |
| 593 | else if (z>=0x10000) Zw = f; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 594 | else Zw = gglMulAddx(z, (f-n), n); |
| 595 | if (enables & GGL_ENABLE_FOG) { |
| 596 | // set up fog if needed... |
| 597 | iterators[0] = c->fog.fog(c, Zw); |
| 598 | c->rasterizer.procs.fogGrad3xv(c, iterators); |
| 599 | } |
| 600 | if (enables & GGL_ENABLE_DEPTH_TEST) { |
| 601 | // set up z-test if needed... |
| 602 | int32_t z = (Zw & ~(Zw>>31)); |
| 603 | if (z >= 0x10000) |
| 604 | z = 0xFFFF; |
| 605 | iterators[0] = (z << 16) | z; |
| 606 | c->rasterizer.procs.zGrad3xv(c, iterators); |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | // ---------------------------------------------------------------------------- |
| 611 | #if 0 |
| 612 | #pragma mark - |
| 613 | #pragma mark Generate mimaps |
| 614 | #endif |
| 615 | |
| 616 | extern status_t buildAPyramid(ogles_context_t* c, EGLTextureObject* tex); |
| 617 | |
| 618 | void generateMipmap(ogles_context_t* c, GLint level) |
| 619 | { |
| 620 | if (level == 0) { |
| 621 | const int active = c->textures.active; |
| 622 | EGLTextureObject* tex = c->textures.tmu[active].texture; |
| 623 | if (tex->generate_mipmap) { |
| 624 | if (buildAPyramid(c, tex) != NO_ERROR) { |
| 625 | ogles_error(c, GL_OUT_OF_MEMORY); |
| 626 | return; |
| 627 | } |
| 628 | } |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | |
| 633 | static void texParameterx( |
| 634 | GLenum target, GLenum pname, GLfixed param, ogles_context_t* c) |
| 635 | { |
| 636 | if (target != GL_TEXTURE_2D) { |
| 637 | ogles_error(c, GL_INVALID_ENUM); |
| 638 | return; |
| 639 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 640 | |
| 641 | EGLTextureObject* textureObject = c->textures.tmu[c->textures.active].texture; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 642 | switch (pname) { |
| 643 | case GL_TEXTURE_WRAP_S: |
| 644 | if ((param == GL_REPEAT) || |
| 645 | (param == GL_CLAMP_TO_EDGE)) { |
| 646 | textureObject->wraps = param; |
| 647 | } else { |
| 648 | goto invalid_enum; |
| 649 | } |
| 650 | break; |
| 651 | case GL_TEXTURE_WRAP_T: |
| 652 | if ((param == GL_REPEAT) || |
| 653 | (param == GL_CLAMP_TO_EDGE)) { |
| 654 | textureObject->wrapt = param; |
| 655 | } else { |
| 656 | goto invalid_enum; |
| 657 | } |
| 658 | break; |
| 659 | case GL_TEXTURE_MIN_FILTER: |
| 660 | if ((param == GL_NEAREST) || |
| 661 | (param == GL_LINEAR) || |
| 662 | (param == GL_NEAREST_MIPMAP_NEAREST) || |
| 663 | (param == GL_LINEAR_MIPMAP_NEAREST) || |
| 664 | (param == GL_NEAREST_MIPMAP_LINEAR) || |
| 665 | (param == GL_LINEAR_MIPMAP_LINEAR)) { |
| 666 | textureObject->min_filter = param; |
| 667 | } else { |
| 668 | goto invalid_enum; |
| 669 | } |
| 670 | break; |
| 671 | case GL_TEXTURE_MAG_FILTER: |
| 672 | if ((param == GL_NEAREST) || |
| 673 | (param == GL_LINEAR)) { |
| 674 | textureObject->mag_filter = param; |
| 675 | } else { |
| 676 | goto invalid_enum; |
| 677 | } |
| 678 | break; |
| 679 | case GL_GENERATE_MIPMAP: |
| 680 | textureObject->generate_mipmap = param; |
| 681 | break; |
| 682 | default: |
| 683 | invalid_enum: |
| 684 | ogles_error(c, GL_INVALID_ENUM); |
| 685 | return; |
| 686 | } |
| 687 | invalidate_texture(c, c->textures.active); |
| 688 | } |
| 689 | |
| 690 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 691 | |
| 692 | static void drawTexxOESImp(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h, |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 693 | ogles_context_t* c) |
| 694 | { |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 695 | ogles_lock_textures(c); |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 696 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 697 | const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s; |
| 698 | y = gglIntToFixed(cbSurface.height) - (y + h); |
| 699 | w >>= FIXED_BITS; |
| 700 | h >>= FIXED_BITS; |
| 701 | |
| 702 | // set up all texture units |
| 703 | for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { |
| 704 | if (!c->rasterizer.state.texture[i].enable) |
| 705 | continue; |
| 706 | |
| 707 | int32_t texcoords[8]; |
| 708 | texture_unit_t& u(c->textures.tmu[i]); |
| 709 | |
| 710 | // validate this tmu (bind, wrap, filter) |
| 711 | validate_tmu(c, i); |
| 712 | // we CLAMP here, which works with premultiplied (s,t) |
| 713 | c->rasterizer.procs.texParameteri(c, |
| 714 | GGL_TEXTURE_2D, GGL_TEXTURE_WRAP_S, GGL_CLAMP); |
| 715 | c->rasterizer.procs.texParameteri(c, |
| 716 | GGL_TEXTURE_2D, GGL_TEXTURE_WRAP_T, GGL_CLAMP); |
| 717 | u.dirty = 0xFF; // XXX: should be more subtle |
| 718 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 719 | EGLTextureObject* textureObject = u.texture; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 720 | const GLint Ucr = textureObject->crop_rect[0] << 16; |
| 721 | const GLint Vcr = textureObject->crop_rect[1] << 16; |
| 722 | const GLint Wcr = textureObject->crop_rect[2] << 16; |
| 723 | const GLint Hcr = textureObject->crop_rect[3] << 16; |
| 724 | |
| 725 | // computes texture coordinates (pre-multiplied) |
| 726 | int32_t dsdx = Wcr / w; // dsdx = ((Wcr/w)/Wt)*Wt |
| 727 | int32_t dtdy =-Hcr / h; // dtdy = -((Hcr/h)/Ht)*Ht |
| 728 | int32_t s0 = Ucr - gglMulx(dsdx, x); // s0 = Ucr - x * dsdx |
| 729 | int32_t t0 = (Vcr+Hcr) - gglMulx(dtdy, y); // t0 = (Vcr+Hcr) - y*dtdy |
| 730 | texcoords[0] = s0; |
| 731 | texcoords[1] = dsdx; |
| 732 | texcoords[2] = 0; |
| 733 | texcoords[3] = t0; |
| 734 | texcoords[4] = 0; |
| 735 | texcoords[5] = dtdy; |
| 736 | texcoords[6] = 0; |
| 737 | texcoords[7] = 0; |
| 738 | c->rasterizer.procs.texCoordGradScale8xv(c, i, texcoords); |
| 739 | } |
| 740 | |
| 741 | const uint32_t enables = c->rasterizer.state.enables; |
| 742 | if (ggl_unlikely(enables & (GGL_ENABLE_DEPTH_TEST|GGL_ENABLE_FOG))) |
| 743 | set_depth_and_fog(c, z); |
| 744 | |
| 745 | c->rasterizer.procs.activeTexture(c, c->textures.active); |
| 746 | c->rasterizer.procs.color4xv(c, c->currentColorClamped.v); |
| 747 | c->rasterizer.procs.disable(c, GGL_W_LERP); |
| 748 | c->rasterizer.procs.disable(c, GGL_AA); |
| 749 | c->rasterizer.procs.shadeModel(c, GL_FLAT); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 750 | c->rasterizer.procs.recti(c, |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 751 | gglFixedToIntRound(x), |
| 752 | gglFixedToIntRound(y), |
| 753 | gglFixedToIntRound(x)+w, |
| 754 | gglFixedToIntRound(y)+h); |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 755 | |
| 756 | ogles_unlock_textures(c); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 757 | } |
| 758 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 759 | static void drawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h, |
| 760 | ogles_context_t* c) |
| 761 | { |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 762 | // quickly reject empty rects |
| 763 | if ((w|h) <= 0) |
| 764 | return; |
Mathias Agopian | bb0628d | 2010-07-29 23:28:03 -0700 | [diff] [blame^] | 765 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 766 | drawTexxOESImp(x, y, z, w, h, c); |
| 767 | } |
| 768 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 769 | static void drawTexiOES(GLint x, GLint y, GLint z, GLint w, GLint h, ogles_context_t* c) |
| 770 | { |
| 771 | // All coordinates are integer, so if we have only one |
| 772 | // texture unit active and no scaling is required |
| 773 | // THEN, we can use our special 1:1 mapping |
| 774 | // which is a lot faster. |
| 775 | |
| 776 | if (ggl_likely(c->rasterizer.state.enabled_tmu == 1)) { |
| 777 | const int tmu = 0; |
| 778 | texture_unit_t& u(c->textures.tmu[tmu]); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 779 | EGLTextureObject* textureObject = u.texture; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 780 | const GLint Wcr = textureObject->crop_rect[2]; |
| 781 | const GLint Hcr = textureObject->crop_rect[3]; |
| 782 | |
| 783 | if ((w == Wcr) && (h == -Hcr)) { |
| 784 | if ((w|h) <= 0) return; // quickly reject empty rects |
| 785 | |
| 786 | if (u.dirty) { |
| 787 | c->rasterizer.procs.activeTexture(c, tmu); |
| 788 | c->rasterizer.procs.bindTexture(c, &(u.texture->surface)); |
| 789 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 790 | GGL_TEXTURE_MIN_FILTER, u.texture->min_filter); |
| 791 | c->rasterizer.procs.texParameteri(c, GGL_TEXTURE_2D, |
| 792 | GGL_TEXTURE_MAG_FILTER, u.texture->mag_filter); |
| 793 | } |
| 794 | c->rasterizer.procs.texGeni(c, GGL_S, |
| 795 | GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| 796 | c->rasterizer.procs.texGeni(c, GGL_T, |
| 797 | GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| 798 | u.dirty = 0xFF; // XXX: should be more subtle |
| 799 | c->rasterizer.procs.activeTexture(c, c->textures.active); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 800 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 801 | const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s; |
| 802 | y = cbSurface.height - (y + h); |
| 803 | const GLint Ucr = textureObject->crop_rect[0]; |
| 804 | const GLint Vcr = textureObject->crop_rect[1]; |
| 805 | const GLint s0 = Ucr - x; |
| 806 | const GLint t0 = (Vcr + Hcr) - y; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 807 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 808 | const GLuint tw = textureObject->surface.width; |
| 809 | const GLuint th = textureObject->surface.height; |
| 810 | if ((uint32_t(s0+x+w) > tw) || (uint32_t(t0+y+h) > th)) { |
| 811 | // The GL spec is unclear about what should happen |
| 812 | // in this case, so we just use the slow case, which |
| 813 | // at least won't crash |
| 814 | goto slow_case; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 815 | } |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 816 | |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 817 | ogles_lock_textures(c); |
| 818 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 819 | c->rasterizer.procs.texCoord2i(c, s0, t0); |
| 820 | const uint32_t enables = c->rasterizer.state.enables; |
| 821 | if (ggl_unlikely(enables & (GGL_ENABLE_DEPTH_TEST|GGL_ENABLE_FOG))) |
Mathias Agopian | 45351bc | 2010-01-25 11:49:52 -0800 | [diff] [blame] | 822 | set_depth_and_fog(c, gglIntToFixed(z)); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 823 | |
| 824 | c->rasterizer.procs.color4xv(c, c->currentColorClamped.v); |
| 825 | c->rasterizer.procs.disable(c, GGL_W_LERP); |
| 826 | c->rasterizer.procs.disable(c, GGL_AA); |
| 827 | c->rasterizer.procs.shadeModel(c, GL_FLAT); |
| 828 | c->rasterizer.procs.recti(c, x, y, x+w, y+h); |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 829 | |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 830 | ogles_unlock_textures(c); |
| 831 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 832 | return; |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | slow_case: |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 837 | drawTexxOESImp( |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 838 | gglIntToFixed(x), gglIntToFixed(y), gglIntToFixed(z), |
| 839 | gglIntToFixed(w), gglIntToFixed(h), |
| 840 | c); |
| 841 | } |
| 842 | |
| 843 | |
| 844 | }; // namespace android |
| 845 | // ---------------------------------------------------------------------------- |
| 846 | |
| 847 | using namespace android; |
| 848 | |
| 849 | |
| 850 | #if 0 |
| 851 | #pragma mark - |
| 852 | #pragma mark Texture API |
| 853 | #endif |
| 854 | |
| 855 | void glActiveTexture(GLenum texture) |
| 856 | { |
| 857 | ogles_context_t* c = ogles_context_t::get(); |
| 858 | if (uint32_t(texture-GL_TEXTURE0) > uint32_t(GGL_TEXTURE_UNIT_COUNT)) { |
| 859 | ogles_error(c, GL_INVALID_ENUM); |
| 860 | return; |
| 861 | } |
| 862 | c->textures.active = texture - GL_TEXTURE0; |
| 863 | c->rasterizer.procs.activeTexture(c, c->textures.active); |
| 864 | } |
| 865 | |
| 866 | void glBindTexture(GLenum target, GLuint texture) |
| 867 | { |
| 868 | ogles_context_t* c = ogles_context_t::get(); |
| 869 | if (target != GL_TEXTURE_2D) { |
| 870 | ogles_error(c, GL_INVALID_ENUM); |
| 871 | return; |
| 872 | } |
| 873 | |
| 874 | // Bind or create a texture |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 875 | sp<EGLTextureObject> tex; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 876 | if (texture == 0) { |
| 877 | // 0 is our local texture object |
| 878 | tex = c->textures.defaultTexture; |
| 879 | } else { |
| 880 | tex = c->surfaceManager->texture(texture); |
| 881 | if (ggl_unlikely(tex == 0)) { |
| 882 | tex = c->surfaceManager->createTexture(texture); |
| 883 | if (tex == 0) { |
| 884 | ogles_error(c, GL_OUT_OF_MEMORY); |
| 885 | return; |
| 886 | } |
| 887 | } |
| 888 | } |
| 889 | bindTextureTmu(c, c->textures.active, texture, tex); |
| 890 | } |
| 891 | |
| 892 | void glGenTextures(GLsizei n, GLuint *textures) |
| 893 | { |
| 894 | ogles_context_t* c = ogles_context_t::get(); |
| 895 | if (n<0) { |
| 896 | ogles_error(c, GL_INVALID_VALUE); |
| 897 | return; |
| 898 | } |
| 899 | // generate unique (shared) texture names |
| 900 | c->surfaceManager->getToken(n, textures); |
| 901 | } |
| 902 | |
| 903 | void glDeleteTextures(GLsizei n, const GLuint *textures) |
| 904 | { |
| 905 | ogles_context_t* c = ogles_context_t::get(); |
| 906 | if (n<0) { |
| 907 | ogles_error(c, GL_INVALID_VALUE); |
| 908 | return; |
| 909 | } |
| 910 | |
| 911 | // If deleting a bound texture, bind this unit to 0 |
| 912 | for (int t=0 ; t<GGL_TEXTURE_UNIT_COUNT ; t++) { |
| 913 | if (c->textures.tmu[t].name == 0) |
| 914 | continue; |
| 915 | for (int i=0 ; i<n ; i++) { |
| 916 | if (textures[i] && (textures[i] == c->textures.tmu[t].name)) { |
| 917 | // bind this tmu to texture 0 |
| 918 | sp<EGLTextureObject> tex(c->textures.defaultTexture); |
| 919 | bindTextureTmu(c, t, 0, tex); |
| 920 | } |
| 921 | } |
| 922 | } |
| 923 | c->surfaceManager->deleteTextures(n, textures); |
| 924 | c->surfaceManager->recycleTokens(n, textures); |
| 925 | } |
| 926 | |
| 927 | void glMultiTexCoord4f( |
| 928 | GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) |
| 929 | { |
| 930 | ogles_context_t* c = ogles_context_t::get(); |
| 931 | if (uint32_t(target-GL_TEXTURE0) > uint32_t(GGL_TEXTURE_UNIT_COUNT)) { |
| 932 | ogles_error(c, GL_INVALID_ENUM); |
| 933 | return; |
| 934 | } |
| 935 | const int tmu = target-GL_TEXTURE0; |
| 936 | c->current.texture[tmu].S = gglFloatToFixed(s); |
| 937 | c->current.texture[tmu].T = gglFloatToFixed(t); |
| 938 | c->current.texture[tmu].R = gglFloatToFixed(r); |
| 939 | c->current.texture[tmu].Q = gglFloatToFixed(q); |
| 940 | } |
| 941 | |
| 942 | void glMultiTexCoord4x( |
| 943 | GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q) |
| 944 | { |
| 945 | ogles_context_t* c = ogles_context_t::get(); |
| 946 | if (uint32_t(target-GL_TEXTURE0) > uint32_t(GGL_TEXTURE_UNIT_COUNT)) { |
| 947 | ogles_error(c, GL_INVALID_ENUM); |
| 948 | return; |
| 949 | } |
| 950 | const int tmu = target-GL_TEXTURE0; |
| 951 | c->current.texture[tmu].S = s; |
| 952 | c->current.texture[tmu].T = t; |
| 953 | c->current.texture[tmu].R = r; |
| 954 | c->current.texture[tmu].Q = q; |
| 955 | } |
| 956 | |
| 957 | void glPixelStorei(GLenum pname, GLint param) |
| 958 | { |
| 959 | ogles_context_t* c = ogles_context_t::get(); |
| 960 | if ((pname != GL_PACK_ALIGNMENT) && (pname != GL_UNPACK_ALIGNMENT)) { |
| 961 | ogles_error(c, GL_INVALID_ENUM); |
| 962 | return; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 963 | } |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 964 | if ((param<=0 || param>8) || (param & (param-1))) { |
| 965 | ogles_error(c, GL_INVALID_VALUE); |
| 966 | return; |
| 967 | } |
| 968 | if (pname == GL_PACK_ALIGNMENT) |
| 969 | c->textures.packAlignment = param; |
| 970 | if (pname == GL_UNPACK_ALIGNMENT) |
| 971 | c->textures.unpackAlignment = param; |
| 972 | } |
| 973 | |
| 974 | void glTexEnvf(GLenum target, GLenum pname, GLfloat param) |
| 975 | { |
| 976 | ogles_context_t* c = ogles_context_t::get(); |
| 977 | c->rasterizer.procs.texEnvi(c, target, pname, GLint(param)); |
| 978 | } |
| 979 | |
| 980 | void glTexEnvfv( |
| 981 | GLenum target, GLenum pname, const GLfloat *params) |
| 982 | { |
| 983 | ogles_context_t* c = ogles_context_t::get(); |
| 984 | if (pname == GL_TEXTURE_ENV_MODE) { |
| 985 | c->rasterizer.procs.texEnvi(c, target, pname, GLint(*params)); |
| 986 | return; |
| 987 | } |
| 988 | if (pname == GL_TEXTURE_ENV_COLOR) { |
| 989 | GGLfixed fixed[4]; |
| 990 | for (int i=0 ; i<4 ; i++) |
| 991 | fixed[i] = gglFloatToFixed(params[i]); |
| 992 | c->rasterizer.procs.texEnvxv(c, target, pname, fixed); |
| 993 | return; |
| 994 | } |
| 995 | ogles_error(c, GL_INVALID_ENUM); |
| 996 | } |
| 997 | |
| 998 | void glTexEnvx(GLenum target, GLenum pname, GLfixed param) |
| 999 | { |
| 1000 | ogles_context_t* c = ogles_context_t::get(); |
| 1001 | c->rasterizer.procs.texEnvi(c, target, pname, param); |
| 1002 | } |
| 1003 | |
| 1004 | void glTexEnvxv( |
| 1005 | GLenum target, GLenum pname, const GLfixed *params) |
| 1006 | { |
| 1007 | ogles_context_t* c = ogles_context_t::get(); |
| 1008 | c->rasterizer.procs.texEnvxv(c, target, pname, params); |
| 1009 | } |
| 1010 | |
| 1011 | void glTexParameteriv( |
| 1012 | GLenum target, GLenum pname, const GLint* params) |
| 1013 | { |
| 1014 | ogles_context_t* c = ogles_context_t::get(); |
| 1015 | if (target != GGL_TEXTURE_2D) { |
| 1016 | ogles_error(c, GL_INVALID_ENUM); |
| 1017 | return; |
| 1018 | } |
| 1019 | |
| 1020 | EGLTextureObject* textureObject = c->textures.tmu[c->textures.active].texture; |
| 1021 | switch (pname) { |
| 1022 | case GL_TEXTURE_CROP_RECT_OES: |
| 1023 | memcpy(textureObject->crop_rect, params, 4*sizeof(GLint)); |
| 1024 | break; |
| 1025 | default: |
Mathias Agopian | b12f99b | 2009-06-22 18:04:45 -0700 | [diff] [blame] | 1026 | texParameterx(target, pname, GLfixed(params[0]), c); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1027 | return; |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | void glTexParameterf( |
| 1032 | GLenum target, GLenum pname, GLfloat param) |
| 1033 | { |
| 1034 | ogles_context_t* c = ogles_context_t::get(); |
| 1035 | texParameterx(target, pname, GLfixed(param), c); |
| 1036 | } |
| 1037 | |
| 1038 | void glTexParameterx( |
| 1039 | GLenum target, GLenum pname, GLfixed param) |
| 1040 | { |
| 1041 | ogles_context_t* c = ogles_context_t::get(); |
| 1042 | texParameterx(target, pname, param, c); |
| 1043 | } |
| 1044 | |
Mathias Agopian | b12f99b | 2009-06-22 18:04:45 -0700 | [diff] [blame] | 1045 | void glTexParameteri( |
| 1046 | GLenum target, GLenum pname, GLint param) |
| 1047 | { |
| 1048 | ogles_context_t* c = ogles_context_t::get(); |
| 1049 | texParameterx(target, pname, GLfixed(param), c); |
| 1050 | } |
| 1051 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1052 | // ---------------------------------------------------------------------------- |
| 1053 | #if 0 |
| 1054 | #pragma mark - |
| 1055 | #endif |
| 1056 | |
| 1057 | void glCompressedTexImage2D( |
| 1058 | GLenum target, GLint level, GLenum internalformat, |
| 1059 | GLsizei width, GLsizei height, GLint border, |
| 1060 | GLsizei imageSize, const GLvoid *data) |
| 1061 | { |
| 1062 | ogles_context_t* c = ogles_context_t::get(); |
| 1063 | if (target != GL_TEXTURE_2D) { |
| 1064 | ogles_error(c, GL_INVALID_ENUM); |
| 1065 | return; |
| 1066 | } |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1067 | if (width<0 || height<0 || border!=0) { |
| 1068 | ogles_error(c, GL_INVALID_VALUE); |
| 1069 | return; |
| 1070 | } |
| 1071 | |
| 1072 | // "uncompress" the texture since pixelflinger doesn't support |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1073 | // any compressed texture format natively. |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1074 | GLenum format; |
| 1075 | GLenum type; |
| 1076 | switch (internalformat) { |
| 1077 | case GL_PALETTE8_RGB8_OES: |
| 1078 | case GL_PALETTE4_RGB8_OES: |
| 1079 | format = GL_RGB; |
| 1080 | type = GL_UNSIGNED_BYTE; |
| 1081 | break; |
| 1082 | case GL_PALETTE8_RGBA8_OES: |
| 1083 | case GL_PALETTE4_RGBA8_OES: |
| 1084 | format = GL_RGBA; |
| 1085 | type = GL_UNSIGNED_BYTE; |
| 1086 | break; |
| 1087 | case GL_PALETTE8_R5_G6_B5_OES: |
| 1088 | case GL_PALETTE4_R5_G6_B5_OES: |
| 1089 | format = GL_RGB; |
| 1090 | type = GL_UNSIGNED_SHORT_5_6_5; |
| 1091 | break; |
| 1092 | case GL_PALETTE8_RGBA4_OES: |
| 1093 | case GL_PALETTE4_RGBA4_OES: |
| 1094 | format = GL_RGBA; |
| 1095 | type = GL_UNSIGNED_SHORT_4_4_4_4; |
| 1096 | break; |
| 1097 | case GL_PALETTE8_RGB5_A1_OES: |
| 1098 | case GL_PALETTE4_RGB5_A1_OES: |
| 1099 | format = GL_RGBA; |
| 1100 | type = GL_UNSIGNED_SHORT_5_5_5_1; |
| 1101 | break; |
Mathias Agopian | 18b915a | 2010-02-01 18:24:52 -0800 | [diff] [blame] | 1102 | #ifdef GL_OES_compressed_ETC1_RGB8_texture |
| 1103 | case GL_ETC1_RGB8_OES: |
| 1104 | format = GL_RGB; |
| 1105 | type = GL_UNSIGNED_BYTE; |
| 1106 | break; |
| 1107 | #endif |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1108 | default: |
| 1109 | ogles_error(c, GL_INVALID_ENUM); |
| 1110 | return; |
| 1111 | } |
| 1112 | |
| 1113 | if (!data || !width || !height) { |
| 1114 | // unclear if this is an error or not... |
| 1115 | return; |
| 1116 | } |
| 1117 | |
| 1118 | int32_t size; |
| 1119 | GGLSurface* surface; |
Mathias Agopian | 18b915a | 2010-02-01 18:24:52 -0800 | [diff] [blame] | 1120 | |
| 1121 | #ifdef GL_OES_compressed_ETC1_RGB8_texture |
| 1122 | if (internalformat == GL_ETC1_RGB8_OES) { |
| 1123 | GLsizei compressedSize = etc1_get_encoded_data_size(width, height); |
| 1124 | if (compressedSize > imageSize) { |
| 1125 | ogles_error(c, GL_INVALID_VALUE); |
| 1126 | return; |
| 1127 | } |
| 1128 | int error = createTextureSurface(c, &surface, &size, |
| 1129 | level, format, type, width, height); |
| 1130 | if (error) { |
| 1131 | ogles_error(c, error); |
| 1132 | return; |
| 1133 | } |
| 1134 | if (etc1_decode_image( |
| 1135 | (const etc1_byte*)data, |
| 1136 | (etc1_byte*)surface->data, |
Jack Palevich | 0673586 | 2010-02-02 22:50:39 -0800 | [diff] [blame] | 1137 | width, height, 3, surface->stride*3) != 0) { |
Mathias Agopian | 18b915a | 2010-02-01 18:24:52 -0800 | [diff] [blame] | 1138 | ogles_error(c, GL_INVALID_OPERATION); |
| 1139 | } |
| 1140 | return; |
| 1141 | } |
| 1142 | #endif |
| 1143 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1144 | // all mipmap levels are specified at once. |
| 1145 | const int numLevels = level<0 ? -level : 1; |
Jack Palevich | cfa316b | 2009-09-10 17:13:28 -0700 | [diff] [blame] | 1146 | |
| 1147 | if (dataSizePalette4(numLevels, width, height, format) > imageSize) { |
| 1148 | ogles_error(c, GL_INVALID_VALUE); |
| 1149 | return; |
| 1150 | } |
| 1151 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1152 | for (int i=0 ; i<numLevels ; i++) { |
| 1153 | int lod_w = (width >> i) ? : 1; |
| 1154 | int lod_h = (height >> i) ? : 1; |
| 1155 | int error = createTextureSurface(c, &surface, &size, |
| 1156 | i, format, type, lod_w, lod_h); |
| 1157 | if (error) { |
| 1158 | ogles_error(c, error); |
| 1159 | return; |
| 1160 | } |
| 1161 | decodePalette4(data, i, width, height, |
| 1162 | surface->data, surface->stride, internalformat); |
| 1163 | } |
| 1164 | } |
| 1165 | |
| 1166 | |
| 1167 | void glTexImage2D( |
| 1168 | GLenum target, GLint level, GLint internalformat, |
| 1169 | GLsizei width, GLsizei height, GLint border, |
| 1170 | GLenum format, GLenum type, const GLvoid *pixels) |
| 1171 | { |
| 1172 | ogles_context_t* c = ogles_context_t::get(); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1173 | if (target != GL_TEXTURE_2D) { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1174 | ogles_error(c, GL_INVALID_ENUM); |
| 1175 | return; |
| 1176 | } |
| 1177 | if (width<0 || height<0 || border!=0 || level < 0) { |
| 1178 | ogles_error(c, GL_INVALID_VALUE); |
| 1179 | return; |
| 1180 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1181 | if (format != (GLenum)internalformat) { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1182 | ogles_error(c, GL_INVALID_OPERATION); |
| 1183 | return; |
| 1184 | } |
| 1185 | if (validFormatType(c, format, type)) { |
| 1186 | return; |
| 1187 | } |
| 1188 | |
| 1189 | int32_t size = 0; |
| 1190 | GGLSurface* surface = 0; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1191 | int error = createTextureSurface(c, &surface, &size, |
| 1192 | level, format, type, width, height); |
| 1193 | if (error) { |
| 1194 | ogles_error(c, error); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1195 | return; |
| 1196 | } |
| 1197 | |
| 1198 | if (pixels) { |
| 1199 | const int32_t formatIdx = convertGLPixelFormat(format, type); |
| 1200 | const GGLFormat& pixelFormat(c->rasterizer.formats[formatIdx]); |
| 1201 | const int32_t align = c->textures.unpackAlignment-1; |
| 1202 | const int32_t bpr = ((width * pixelFormat.size) + align) & ~align; |
| 1203 | const size_t size = bpr * height; |
| 1204 | const int32_t stride = bpr / pixelFormat.size; |
| 1205 | |
| 1206 | GGLSurface userSurface; |
| 1207 | userSurface.version = sizeof(userSurface); |
| 1208 | userSurface.width = width; |
| 1209 | userSurface.height = height; |
| 1210 | userSurface.stride = stride; |
| 1211 | userSurface.format = formatIdx; |
| 1212 | userSurface.compressedFormat = 0; |
| 1213 | userSurface.data = (GLubyte*)pixels; |
| 1214 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1215 | int err = copyPixels(c, *surface, 0, 0, userSurface, 0, 0, width, height); |
| 1216 | if (err) { |
| 1217 | ogles_error(c, err); |
| 1218 | return; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1219 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1220 | generateMipmap(c, level); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1221 | } |
| 1222 | } |
| 1223 | |
| 1224 | // ---------------------------------------------------------------------------- |
| 1225 | |
| 1226 | void glCompressedTexSubImage2D( |
| 1227 | GLenum target, GLint level, GLint xoffset, |
| 1228 | GLint yoffset, GLsizei width, GLsizei height, |
| 1229 | GLenum format, GLsizei imageSize, |
| 1230 | const GLvoid *data) |
| 1231 | { |
| 1232 | ogles_context_t* c = ogles_context_t::get(); |
| 1233 | ogles_error(c, GL_INVALID_ENUM); |
| 1234 | } |
| 1235 | |
| 1236 | void glTexSubImage2D( |
| 1237 | GLenum target, GLint level, GLint xoffset, |
| 1238 | GLint yoffset, GLsizei width, GLsizei height, |
| 1239 | GLenum format, GLenum type, const GLvoid *pixels) |
| 1240 | { |
| 1241 | ogles_context_t* c = ogles_context_t::get(); |
| 1242 | if (target != GL_TEXTURE_2D) { |
| 1243 | ogles_error(c, GL_INVALID_ENUM); |
| 1244 | return; |
| 1245 | } |
| 1246 | if (xoffset<0 || yoffset<0 || width<0 || height<0 || level<0) { |
| 1247 | ogles_error(c, GL_INVALID_VALUE); |
| 1248 | return; |
| 1249 | } |
| 1250 | if (validFormatType(c, format, type)) { |
| 1251 | return; |
| 1252 | } |
| 1253 | |
| 1254 | // find out which texture is bound to the current unit |
| 1255 | const int active = c->textures.active; |
| 1256 | EGLTextureObject* tex = c->textures.tmu[active].texture; |
| 1257 | const GGLSurface& surface(tex->mip(level)); |
| 1258 | |
| 1259 | if (!tex->internalformat || tex->direct) { |
| 1260 | ogles_error(c, GL_INVALID_OPERATION); |
| 1261 | return; |
| 1262 | } |
Mathias Agopian | d13e461 | 2009-10-16 18:34:31 -0700 | [diff] [blame] | 1263 | |
| 1264 | if (format != tex->internalformat) { |
| 1265 | ogles_error(c, GL_INVALID_OPERATION); |
| 1266 | return; |
| 1267 | } |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1268 | if ((xoffset + width > GLsizei(surface.width)) || |
| 1269 | (yoffset + height > GLsizei(surface.height))) { |
| 1270 | ogles_error(c, GL_INVALID_VALUE); |
| 1271 | return; |
| 1272 | } |
| 1273 | if (!width || !height) { |
| 1274 | return; // okay, but no-op. |
| 1275 | } |
| 1276 | |
| 1277 | // figure out the size we need as well as the stride |
| 1278 | const int32_t formatIdx = convertGLPixelFormat(format, type); |
| 1279 | if (formatIdx == 0) { // we don't know what to do with this |
| 1280 | ogles_error(c, GL_INVALID_OPERATION); |
| 1281 | return; |
| 1282 | } |
| 1283 | |
| 1284 | const GGLFormat& pixelFormat(c->rasterizer.formats[formatIdx]); |
| 1285 | const int32_t align = c->textures.unpackAlignment-1; |
| 1286 | const int32_t bpr = ((width * pixelFormat.size) + align) & ~align; |
| 1287 | const size_t size = bpr * height; |
| 1288 | const int32_t stride = bpr / pixelFormat.size; |
| 1289 | GGLSurface userSurface; |
| 1290 | userSurface.version = sizeof(userSurface); |
| 1291 | userSurface.width = width; |
| 1292 | userSurface.height = height; |
| 1293 | userSurface.stride = stride; |
| 1294 | userSurface.format = formatIdx; |
| 1295 | userSurface.compressedFormat = 0; |
| 1296 | userSurface.data = (GLubyte*)pixels; |
| 1297 | |
| 1298 | int err = copyPixels(c, |
| 1299 | surface, xoffset, yoffset, |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1300 | userSurface, 0, 0, width, height); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1301 | if (err) { |
| 1302 | ogles_error(c, err); |
| 1303 | return; |
| 1304 | } |
| 1305 | |
| 1306 | generateMipmap(c, level); |
| 1307 | |
| 1308 | // since we only changed the content of the texture, we don't need |
| 1309 | // to call bindTexture on the main rasterizer. |
| 1310 | } |
| 1311 | |
| 1312 | // ---------------------------------------------------------------------------- |
| 1313 | |
| 1314 | void glCopyTexImage2D( |
| 1315 | GLenum target, GLint level, GLenum internalformat, |
| 1316 | GLint x, GLint y, GLsizei width, GLsizei height, |
| 1317 | GLint border) |
| 1318 | { |
| 1319 | ogles_context_t* c = ogles_context_t::get(); |
| 1320 | if (target != GL_TEXTURE_2D) { |
| 1321 | ogles_error(c, GL_INVALID_ENUM); |
| 1322 | return; |
| 1323 | } |
| 1324 | if (internalformat<GL_ALPHA || internalformat>GL_LUMINANCE_ALPHA) { |
| 1325 | ogles_error(c, GL_INVALID_ENUM); |
| 1326 | return; |
| 1327 | } |
| 1328 | if (width<0 || height<0 || border!=0 || level<0) { |
| 1329 | ogles_error(c, GL_INVALID_VALUE); |
| 1330 | return; |
| 1331 | } |
| 1332 | |
| 1333 | GLenum format = 0; |
| 1334 | GLenum type = GL_UNSIGNED_BYTE; |
| 1335 | const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s; |
| 1336 | const int cbFormatIdx = cbSurface.format; |
| 1337 | switch (cbFormatIdx) { |
| 1338 | case GGL_PIXEL_FORMAT_RGB_565: |
| 1339 | type = GL_UNSIGNED_SHORT_5_6_5; |
| 1340 | break; |
| 1341 | case GGL_PIXEL_FORMAT_RGBA_5551: |
| 1342 | type = GL_UNSIGNED_SHORT_5_5_5_1; |
| 1343 | break; |
| 1344 | case GGL_PIXEL_FORMAT_RGBA_4444: |
| 1345 | type = GL_UNSIGNED_SHORT_4_4_4_4; |
| 1346 | break; |
| 1347 | } |
| 1348 | switch (internalformat) { |
| 1349 | case GL_ALPHA: |
| 1350 | case GL_LUMINANCE_ALPHA: |
| 1351 | case GL_LUMINANCE: |
| 1352 | type = GL_UNSIGNED_BYTE; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1353 | break; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1354 | } |
| 1355 | |
| 1356 | // figure out the format to use for the new texture |
| 1357 | switch (cbFormatIdx) { |
| 1358 | case GGL_PIXEL_FORMAT_RGBA_8888: |
| 1359 | case GGL_PIXEL_FORMAT_A_8: |
| 1360 | case GGL_PIXEL_FORMAT_RGBA_5551: |
| 1361 | case GGL_PIXEL_FORMAT_RGBA_4444: |
| 1362 | format = internalformat; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1363 | break; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1364 | case GGL_PIXEL_FORMAT_RGBX_8888: |
| 1365 | case GGL_PIXEL_FORMAT_RGB_888: |
| 1366 | case GGL_PIXEL_FORMAT_RGB_565: |
| 1367 | case GGL_PIXEL_FORMAT_L_8: |
| 1368 | switch (internalformat) { |
| 1369 | case GL_LUMINANCE: |
| 1370 | case GL_RGB: |
| 1371 | format = internalformat; |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1372 | break; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1373 | } |
| 1374 | break; |
| 1375 | } |
| 1376 | |
| 1377 | if (format == 0) { |
| 1378 | // invalid combination |
| 1379 | ogles_error(c, GL_INVALID_ENUM); |
| 1380 | return; |
| 1381 | } |
| 1382 | |
| 1383 | // create the new texture... |
| 1384 | int32_t size; |
| 1385 | GGLSurface* surface; |
| 1386 | int error = createTextureSurface(c, &surface, &size, |
| 1387 | level, format, type, width, height); |
| 1388 | if (error) { |
| 1389 | ogles_error(c, error); |
| 1390 | return; |
| 1391 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1392 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1393 | // The bottom row is stored first in textures |
| 1394 | GGLSurface txSurface(*surface); |
| 1395 | txSurface.stride = -txSurface.stride; |
| 1396 | |
| 1397 | // (x,y) is the lower-left corner of colorBuffer |
| 1398 | y = cbSurface.height - (y + height); |
| 1399 | |
Mathias Agopian | fda42f3 | 2010-02-01 13:45:08 -0800 | [diff] [blame] | 1400 | /* The GLES spec says: |
| 1401 | * If any of the pixels within the specified rectangle are outside |
| 1402 | * the framebuffer associated with the current rendering context, |
| 1403 | * then the values obtained for those pixels are undefined. |
| 1404 | */ |
| 1405 | if (x+width > GLint(cbSurface.width)) |
| 1406 | width = cbSurface.width - x; |
| 1407 | |
| 1408 | if (y+height > GLint(cbSurface.height)) |
| 1409 | height = cbSurface.height - y; |
| 1410 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1411 | int err = copyPixels(c, |
| 1412 | txSurface, 0, 0, |
Mathias Agopian | fda42f3 | 2010-02-01 13:45:08 -0800 | [diff] [blame] | 1413 | cbSurface, x, y, width, height); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1414 | if (err) { |
| 1415 | ogles_error(c, err); |
| 1416 | } |
| 1417 | |
| 1418 | generateMipmap(c, level); |
| 1419 | } |
| 1420 | |
| 1421 | void glCopyTexSubImage2D( |
| 1422 | GLenum target, GLint level, GLint xoffset, GLint yoffset, |
| 1423 | GLint x, GLint y, GLsizei width, GLsizei height) |
| 1424 | { |
| 1425 | ogles_context_t* c = ogles_context_t::get(); |
| 1426 | if (target != GL_TEXTURE_2D) { |
| 1427 | ogles_error(c, GL_INVALID_ENUM); |
| 1428 | return; |
| 1429 | } |
| 1430 | if (xoffset<0 || yoffset<0 || width<0 || height<0 || level<0) { |
| 1431 | ogles_error(c, GL_INVALID_VALUE); |
| 1432 | return; |
| 1433 | } |
| 1434 | if (!width || !height) { |
| 1435 | return; // okay, but no-op. |
| 1436 | } |
| 1437 | |
| 1438 | // find out which texture is bound to the current unit |
| 1439 | const int active = c->textures.active; |
| 1440 | EGLTextureObject* tex = c->textures.tmu[active].texture; |
| 1441 | const GGLSurface& surface(tex->mip(level)); |
| 1442 | |
| 1443 | if (!tex->internalformat) { |
| 1444 | ogles_error(c, GL_INVALID_OPERATION); |
| 1445 | return; |
| 1446 | } |
| 1447 | if ((xoffset + width > GLsizei(surface.width)) || |
| 1448 | (yoffset + height > GLsizei(surface.height))) { |
| 1449 | ogles_error(c, GL_INVALID_VALUE); |
| 1450 | return; |
| 1451 | } |
| 1452 | |
| 1453 | // The bottom row is stored first in textures |
| 1454 | GGLSurface txSurface(surface); |
| 1455 | txSurface.stride = -txSurface.stride; |
| 1456 | |
| 1457 | // (x,y) is the lower-left corner of colorBuffer |
| 1458 | const GGLSurface& cbSurface = c->rasterizer.state.buffers.color.s; |
| 1459 | y = cbSurface.height - (y + height); |
| 1460 | |
Mathias Agopian | fda42f3 | 2010-02-01 13:45:08 -0800 | [diff] [blame] | 1461 | /* The GLES spec says: |
| 1462 | * If any of the pixels within the specified rectangle are outside |
| 1463 | * the framebuffer associated with the current rendering context, |
| 1464 | * then the values obtained for those pixels are undefined. |
| 1465 | */ |
| 1466 | if (x+width > GLint(cbSurface.width)) |
| 1467 | width = cbSurface.width - x; |
| 1468 | |
| 1469 | if (y+height > GLint(cbSurface.height)) |
| 1470 | height = cbSurface.height - y; |
| 1471 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1472 | int err = copyPixels(c, |
Jack Palevich | 7c5fe4c | 2010-03-12 17:11:34 -0800 | [diff] [blame] | 1473 | txSurface, xoffset, yoffset, |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1474 | cbSurface, x, y, width, height); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1475 | if (err) { |
| 1476 | ogles_error(c, err); |
| 1477 | return; |
| 1478 | } |
| 1479 | |
| 1480 | generateMipmap(c, level); |
| 1481 | } |
| 1482 | |
| 1483 | void glReadPixels( |
| 1484 | GLint x, GLint y, GLsizei width, GLsizei height, |
| 1485 | GLenum format, GLenum type, GLvoid *pixels) |
| 1486 | { |
| 1487 | ogles_context_t* c = ogles_context_t::get(); |
| 1488 | if ((format != GL_RGBA) && (format != GL_RGB)) { |
| 1489 | ogles_error(c, GL_INVALID_ENUM); |
| 1490 | return; |
| 1491 | } |
| 1492 | if ((type != GL_UNSIGNED_BYTE) && (type != GL_UNSIGNED_SHORT_5_6_5)) { |
| 1493 | ogles_error(c, GL_INVALID_ENUM); |
| 1494 | return; |
| 1495 | } |
| 1496 | if (width<0 || height<0) { |
| 1497 | ogles_error(c, GL_INVALID_VALUE); |
| 1498 | return; |
| 1499 | } |
Mike Playle | a48c654 | 2010-01-29 09:52:22 +0000 | [diff] [blame] | 1500 | if (x<0 || y<0) { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1501 | ogles_error(c, GL_INVALID_VALUE); |
| 1502 | return; |
| 1503 | } |
| 1504 | |
| 1505 | int32_t formatIdx = GGL_PIXEL_FORMAT_NONE; |
| 1506 | if ((format == GL_RGBA) && (type == GL_UNSIGNED_BYTE)) { |
| 1507 | formatIdx = GGL_PIXEL_FORMAT_RGBA_8888; |
| 1508 | } else if ((format == GL_RGB) && (type == GL_UNSIGNED_SHORT_5_6_5)) { |
| 1509 | formatIdx = GGL_PIXEL_FORMAT_RGB_565; |
| 1510 | } else { |
| 1511 | ogles_error(c, GL_INVALID_OPERATION); |
| 1512 | return; |
| 1513 | } |
| 1514 | |
| 1515 | const GGLSurface& readSurface = c->rasterizer.state.buffers.read.s; |
| 1516 | if ((x+width > GLint(readSurface.width)) || |
| 1517 | (y+height > GLint(readSurface.height))) { |
| 1518 | ogles_error(c, GL_INVALID_VALUE); |
| 1519 | return; |
| 1520 | } |
| 1521 | |
| 1522 | const GGLFormat& pixelFormat(c->rasterizer.formats[formatIdx]); |
| 1523 | const int32_t align = c->textures.packAlignment-1; |
| 1524 | const int32_t bpr = ((width * pixelFormat.size) + align) & ~align; |
| 1525 | const int32_t stride = bpr / pixelFormat.size; |
| 1526 | |
| 1527 | GGLSurface userSurface; |
| 1528 | userSurface.version = sizeof(userSurface); |
| 1529 | userSurface.width = width; |
| 1530 | userSurface.height = height; |
| 1531 | userSurface.stride = -stride; // bottom row is transfered first |
| 1532 | userSurface.format = formatIdx; |
| 1533 | userSurface.compressedFormat = 0; |
| 1534 | userSurface.data = (GLubyte*)pixels; |
| 1535 | |
| 1536 | // use pixel-flinger to handle all the conversions |
| 1537 | GGLContext* ggl = getRasterizer(c); |
| 1538 | if (!ggl) { |
| 1539 | // the only reason this would fail is because we ran out of memory |
| 1540 | ogles_error(c, GL_OUT_OF_MEMORY); |
| 1541 | return; |
| 1542 | } |
| 1543 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1544 | ggl->colorBuffer(ggl, &userSurface); // destination is user buffer |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1545 | ggl->bindTexture(ggl, &readSurface); // source is read-buffer |
| 1546 | ggl->texCoord2i(ggl, x, readSurface.height - (y + height)); |
| 1547 | ggl->recti(ggl, 0, 0, width, height); |
| 1548 | } |
| 1549 | |
| 1550 | // ---------------------------------------------------------------------------- |
| 1551 | #if 0 |
| 1552 | #pragma mark - |
| 1553 | #pragma mark DrawTexture Extension |
| 1554 | #endif |
| 1555 | |
| 1556 | void glDrawTexsvOES(const GLshort* coords) { |
| 1557 | ogles_context_t* c = ogles_context_t::get(); |
| 1558 | drawTexiOES(coords[0], coords[1], coords[2], coords[3], coords[4], c); |
| 1559 | } |
| 1560 | void glDrawTexivOES(const GLint* coords) { |
| 1561 | ogles_context_t* c = ogles_context_t::get(); |
| 1562 | drawTexiOES(coords[0], coords[1], coords[2], coords[3], coords[4], c); |
| 1563 | } |
| 1564 | void glDrawTexsOES(GLshort x , GLshort y, GLshort z, GLshort w, GLshort h) { |
| 1565 | ogles_context_t* c = ogles_context_t::get(); |
| 1566 | drawTexiOES(x, y, z, w, h, c); |
| 1567 | } |
| 1568 | void glDrawTexiOES(GLint x, GLint y, GLint z, GLint w, GLint h) { |
| 1569 | ogles_context_t* c = ogles_context_t::get(); |
| 1570 | drawTexiOES(x, y, z, w, h, c); |
| 1571 | } |
| 1572 | |
| 1573 | void glDrawTexfvOES(const GLfloat* coords) { |
| 1574 | ogles_context_t* c = ogles_context_t::get(); |
| 1575 | drawTexxOES( |
| 1576 | gglFloatToFixed(coords[0]), |
| 1577 | gglFloatToFixed(coords[1]), |
| 1578 | gglFloatToFixed(coords[2]), |
| 1579 | gglFloatToFixed(coords[3]), |
| 1580 | gglFloatToFixed(coords[4]), |
| 1581 | c); |
| 1582 | } |
| 1583 | void glDrawTexxvOES(const GLfixed* coords) { |
| 1584 | ogles_context_t* c = ogles_context_t::get(); |
| 1585 | drawTexxOES(coords[0], coords[1], coords[2], coords[3], coords[4], c); |
| 1586 | } |
| 1587 | void glDrawTexfOES(GLfloat x, GLfloat y, GLfloat z, GLfloat w, GLfloat h){ |
| 1588 | ogles_context_t* c = ogles_context_t::get(); |
| 1589 | drawTexxOES( |
| 1590 | gglFloatToFixed(x), gglFloatToFixed(y), gglFloatToFixed(z), |
| 1591 | gglFloatToFixed(w), gglFloatToFixed(h), |
| 1592 | c); |
| 1593 | } |
| 1594 | void glDrawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h) { |
| 1595 | ogles_context_t* c = ogles_context_t::get(); |
| 1596 | drawTexxOES(x, y, z, w, h, c); |
| 1597 | } |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1598 | |
| 1599 | // ---------------------------------------------------------------------------- |
| 1600 | #if 0 |
| 1601 | #pragma mark - |
| 1602 | #pragma mark EGL Image Extension |
| 1603 | #endif |
| 1604 | |
| 1605 | void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) |
| 1606 | { |
| 1607 | ogles_context_t* c = ogles_context_t::get(); |
| 1608 | if (target != GL_TEXTURE_2D) { |
| 1609 | ogles_error(c, GL_INVALID_ENUM); |
| 1610 | return; |
| 1611 | } |
| 1612 | |
Mathias Agopian | 8dccb26 | 2010-02-04 17:04:53 -0800 | [diff] [blame] | 1613 | if (image == EGL_NO_IMAGE_KHR) { |
| 1614 | ogles_error(c, GL_INVALID_VALUE); |
| 1615 | return; |
| 1616 | } |
| 1617 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1618 | android_native_buffer_t* native_buffer = (android_native_buffer_t*)image; |
| 1619 | if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) { |
| 1620 | ogles_error(c, GL_INVALID_VALUE); |
| 1621 | return; |
| 1622 | } |
| 1623 | if (native_buffer->common.version != sizeof(android_native_buffer_t)) { |
| 1624 | ogles_error(c, GL_INVALID_VALUE); |
| 1625 | return; |
| 1626 | } |
| 1627 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1628 | // bind it to the texture unit |
| 1629 | sp<EGLTextureObject> tex = getAndBindActiveTextureObject(c); |
Mathias Agopian | 0926f50 | 2009-05-04 14:17:04 -0700 | [diff] [blame] | 1630 | tex->setImage(native_buffer); |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1631 | } |
| 1632 | |
| 1633 | void glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image) |
| 1634 | { |
Mathias Agopian | 8dccb26 | 2010-02-04 17:04:53 -0800 | [diff] [blame] | 1635 | ogles_context_t* c = ogles_context_t::get(); |
| 1636 | if (target != GL_RENDERBUFFER_OES) { |
| 1637 | ogles_error(c, GL_INVALID_ENUM); |
| 1638 | return; |
| 1639 | } |
| 1640 | |
| 1641 | if (image == EGL_NO_IMAGE_KHR) { |
| 1642 | ogles_error(c, GL_INVALID_VALUE); |
| 1643 | return; |
| 1644 | } |
| 1645 | |
| 1646 | android_native_buffer_t* native_buffer = (android_native_buffer_t*)image; |
| 1647 | if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) { |
| 1648 | ogles_error(c, GL_INVALID_VALUE); |
| 1649 | return; |
| 1650 | } |
| 1651 | if (native_buffer->common.version != sizeof(android_native_buffer_t)) { |
| 1652 | ogles_error(c, GL_INVALID_VALUE); |
| 1653 | return; |
| 1654 | } |
| 1655 | |
| 1656 | // well, we're not supporting this extension anyways |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 1657 | } |