Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 1 | // Copyright (C) 2009 The Android Open Source Project |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #pragma version(1) |
| 16 | |
| 17 | #pragma rs java_package_name(com.android.samples) |
| 18 | |
| 19 | #include "rs_graphics.rsh" |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 20 | #include "shader_def.rsh" |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 21 | |
| 22 | rs_program_vertex gProgVertex; |
| 23 | rs_program_fragment gProgFragmentColor; |
| 24 | rs_program_fragment gProgFragmentTexture; |
| 25 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 26 | rs_program_store gProgStoreBlendNoneDepth; |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 27 | rs_program_store gProgStoreBlendNone; |
| 28 | rs_program_store gProgStoreBlendAlpha; |
| 29 | rs_program_store gProgStoreBlendAdd; |
| 30 | |
| 31 | rs_allocation gTexOpaque; |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 32 | rs_allocation gTexTorus; |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 33 | rs_allocation gTexTransparent; |
| 34 | |
| 35 | rs_mesh gMbyNMesh; |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 36 | rs_mesh gTorusMesh; |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 37 | |
| 38 | rs_font gFontSans; |
| 39 | rs_font gFontSerif; |
| 40 | rs_font gFontSerifBold; |
| 41 | rs_font gFontSerifItalic; |
| 42 | rs_font gFontSerifBoldItalic; |
| 43 | rs_font gFontMono; |
| 44 | |
| 45 | int gDisplayMode; |
| 46 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 47 | rs_sampler gLinearClamp; |
| 48 | rs_sampler gLinearWrap; |
| 49 | rs_sampler gMipLinearWrap; |
| 50 | rs_sampler gNearestClamp; |
| 51 | |
| 52 | rs_program_raster gCullBack; |
| 53 | rs_program_raster gCullFront; |
| 54 | |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 55 | // Custom vertex shader compunents |
| 56 | VertexShaderConstants *gVSConstants; |
| 57 | FragentShaderConstants *gFSConstants; |
| 58 | // Export these out to easily set the inputs to shader |
| 59 | VertexShaderInputs *gVSInputs; |
| 60 | // Custom shaders we use for lighting |
| 61 | rs_program_vertex gProgVertexCustom; |
| 62 | rs_program_fragment gProgFragmentCustom; |
| 63 | |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 64 | #pragma rs export_var(gProgVertex, gProgFragmentColor, gProgFragmentTexture) |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 65 | #pragma rs export_var(gProgStoreBlendNoneDepth, gProgStoreBlendNone, gProgStoreBlendAlpha, gProgStoreBlendAdd) |
| 66 | #pragma rs export_var(gTexOpaque, gTexTorus, gTexTransparent) |
| 67 | #pragma rs export_var(gMbyNMesh, gTorusMesh) |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 68 | #pragma rs export_var(gFontSans, gFontSerif, gFontSerifBold, gFontSerifItalic, gFontSerifBoldItalic, gFontMono) |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 69 | #pragma rs export_var(gLinearClamp, gLinearWrap, gMipLinearWrap, gNearestClamp) |
| 70 | #pragma rs export_var(gCullBack, gCullFront) |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 71 | #pragma rs export_var(gVSConstants, gFSConstants, gVSInputs, gProgVertexCustom, gProgFragmentCustom) |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 72 | |
| 73 | //What we are showing |
| 74 | #pragma rs export_var(gDisplayMode) |
| 75 | |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 76 | float gDt = 0; |
| 77 | |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 78 | void init() { |
| 79 | } |
| 80 | |
| 81 | void displayFontSamples() { |
| 82 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 83 | int yPos = 30; |
| 84 | rsgBindFont(gFontSans); |
| 85 | rsgDrawText("Sans font sample", 30, yPos); |
| 86 | yPos += 30; |
| 87 | rsgFontColor(0.5f, 0.9f, 0.5f, 1.0f); |
| 88 | rsgBindFont(gFontSerif); |
| 89 | rsgDrawText("Serif font sample", 30, yPos); |
| 90 | yPos += 30; |
| 91 | rsgFontColor(0.7f, 0.7f, 0.7f, 1.0f); |
| 92 | rsgBindFont(gFontSerifBold); |
| 93 | rsgDrawText("Serif Bold font sample", 30, yPos); |
| 94 | yPos += 30; |
| 95 | rsgFontColor(0.5f, 0.5f, 0.9f, 1.0f); |
| 96 | rsgBindFont(gFontSerifItalic); |
| 97 | rsgDrawText("Serif Italic font sample", 30, yPos); |
| 98 | yPos += 30; |
| 99 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 100 | rsgBindFont(gFontSerifBoldItalic); |
| 101 | rsgDrawText("Serif Bold Italic font sample", 30, yPos); |
| 102 | yPos += 30; |
| 103 | rsgBindFont(gFontMono); |
| 104 | rsgDrawText("Monospace font sample", 30, yPos); |
| 105 | } |
| 106 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 107 | void bindProgramVertexOrtho() { |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 108 | // Default vertex sahder |
| 109 | rsgBindProgramVertex(gProgVertex); |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 110 | // Setup the projectioni matrix |
| 111 | rs_matrix4x4 proj; |
| 112 | rsMatrixLoadOrtho(&proj, 0, rsgGetWidth(), rsgGetHeight(), 0, -1,1); |
| 113 | rsgProgramVertexLoadProjectionMatrix(&proj); |
| 114 | } |
| 115 | |
| 116 | void displayShaderSamples() { |
| 117 | bindProgramVertexOrtho(); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 118 | rs_matrix4x4 matrix; |
| 119 | rsMatrixLoadIdentity(&matrix); |
| 120 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 121 | |
| 122 | // Fragment shader with texture |
| 123 | rsgBindProgramStore(gProgStoreBlendNone); |
| 124 | rsgBindProgramFragment(gProgFragmentTexture); |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 125 | rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 126 | rsgBindTexture(gProgFragmentTexture, 0, gTexOpaque); |
| 127 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 128 | float startX = 0, startY = 0; |
| 129 | float width = 256, height = 256; |
| 130 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 131 | startX, startY + height, 0, 0, 1, |
| 132 | startX + width, startY + height, 0, 1, 1, |
| 133 | startX + width, startY, 0, 1, 0); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 134 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 135 | startX = 200; startY = 0; |
| 136 | width = 128; height = 128; |
| 137 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 138 | startX, startY + height, 0, 0, 1, |
| 139 | startX + width, startY + height, 0, 1, 1, |
| 140 | startX + width, startY, 0, 1, 0); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 141 | |
| 142 | rsgBindProgramStore(gProgStoreBlendAlpha); |
| 143 | rsgBindTexture(gProgFragmentTexture, 0, gTexTransparent); |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 144 | startX = 0; startY = 200; |
| 145 | width = 128; height = 128; |
| 146 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 147 | startX, startY + height, 0, 0, 1, |
| 148 | startX + width, startY + height, 0, 1, 1, |
| 149 | startX + width, startY, 0, 1, 0); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 150 | |
| 151 | // Fragment program with simple color |
| 152 | rsgBindProgramFragment(gProgFragmentColor); |
| 153 | rsgProgramFragmentConstantColor(gProgFragmentColor, 0.9, 0.3, 0.3, 1); |
| 154 | rsgDrawRect(200, 300, 350, 450, 0); |
| 155 | rsgProgramFragmentConstantColor(gProgFragmentColor, 0.3, 0.9, 0.3, 1); |
| 156 | rsgDrawRect(50, 400, 400, 600, 0); |
| 157 | |
| 158 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 159 | rsgBindFont(gFontMono); |
| 160 | rsgDrawText("Texture shader", 10, 50); |
| 161 | rsgDrawText("Alpha-blended texture shader", 10, 280); |
| 162 | rsgDrawText("Flat color shader", 100, 450); |
| 163 | } |
| 164 | |
| 165 | void displayBlendingSamples() { |
| 166 | int i; |
| 167 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 168 | bindProgramVertexOrtho(); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 169 | rs_matrix4x4 matrix; |
| 170 | rsMatrixLoadIdentity(&matrix); |
| 171 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 172 | |
| 173 | rsgBindProgramFragment(gProgFragmentColor); |
| 174 | |
| 175 | rsgBindProgramStore(gProgStoreBlendNone); |
| 176 | for(i = 0; i < 3; i ++) { |
| 177 | float iPlusOne = (float)(i + 1); |
| 178 | rsgProgramFragmentConstantColor(gProgFragmentColor, |
| 179 | 0.1f*iPlusOne, 0.2f*iPlusOne, 0.3f*iPlusOne, 1); |
| 180 | float yPos = 150 * (float)i; |
| 181 | rsgDrawRect(0, yPos, 200, yPos + 200, 0); |
| 182 | } |
| 183 | |
| 184 | rsgBindProgramStore(gProgStoreBlendAlpha); |
| 185 | for(i = 0; i < 3; i ++) { |
| 186 | float iPlusOne = (float)(i + 1); |
| 187 | rsgProgramFragmentConstantColor(gProgFragmentColor, |
| 188 | 0.2f*iPlusOne, 0.3f*iPlusOne, 0.1f*iPlusOne, 0.5); |
| 189 | float yPos = 150 * (float)i; |
| 190 | rsgDrawRect(150, yPos, 350, yPos + 200, 0); |
| 191 | } |
| 192 | |
| 193 | rsgBindProgramStore(gProgStoreBlendAdd); |
| 194 | for(i = 0; i < 3; i ++) { |
| 195 | float iPlusOne = (float)(i + 1); |
| 196 | rsgProgramFragmentConstantColor(gProgFragmentColor, |
| 197 | 0.3f*iPlusOne, 0.1f*iPlusOne, 0.2f*iPlusOne, 0.5); |
| 198 | float yPos = 150 * (float)i; |
| 199 | rsgDrawRect(300, yPos, 500, yPos + 200, 0); |
| 200 | } |
| 201 | |
| 202 | |
| 203 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 204 | rsgBindFont(gFontMono); |
| 205 | rsgDrawText("No Blending", 10, 50); |
| 206 | rsgDrawText("Alpha Blending", 160, 150); |
| 207 | rsgDrawText("Additive Blending", 320, 250); |
| 208 | |
| 209 | } |
| 210 | |
| 211 | void displayMeshSamples() { |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 212 | |
| 213 | bindProgramVertexOrtho(); |
| 214 | rs_matrix4x4 matrix; |
| 215 | rsMatrixLoadTranslate(&matrix, 128, 128, 0); |
| 216 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 217 | |
| 218 | // Fragment shader with texture |
| 219 | rsgBindProgramStore(gProgStoreBlendNone); |
| 220 | rsgBindProgramFragment(gProgFragmentTexture); |
| 221 | rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp); |
| 222 | rsgBindTexture(gProgFragmentTexture, 0, gTexOpaque); |
| 223 | |
| 224 | rsgDrawMesh(gMbyNMesh); |
| 225 | |
| 226 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 227 | rsgBindFont(gFontMono); |
| 228 | rsgDrawText("User gen 10 by 10 grid mesh", 10, 250); |
| 229 | } |
| 230 | |
| 231 | void displayTextureSamplers() { |
| 232 | |
| 233 | bindProgramVertexOrtho(); |
| 234 | rs_matrix4x4 matrix; |
| 235 | rsMatrixLoadIdentity(&matrix); |
| 236 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 237 | |
| 238 | // Fragment shader with texture |
| 239 | rsgBindProgramStore(gProgStoreBlendNone); |
| 240 | rsgBindProgramFragment(gProgFragmentTexture); |
| 241 | rsgBindTexture(gProgFragmentTexture, 0, gTexOpaque); |
| 242 | |
| 243 | // Linear clamp |
| 244 | rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp); |
| 245 | float startX = 0, startY = 0; |
| 246 | float width = 300, height = 300; |
| 247 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 248 | startX, startY + height, 0, 0, 1.1, |
| 249 | startX + width, startY + height, 0, 1.1, 1.1, |
| 250 | startX + width, startY, 0, 1.1, 0); |
| 251 | |
| 252 | // Linear Wrap |
| 253 | rsgBindSampler(gProgFragmentTexture, 0, gLinearWrap); |
| 254 | startX = 0; startY = 300; |
| 255 | width = 300; height = 300; |
| 256 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 257 | startX, startY + height, 0, 0, 1.1, |
| 258 | startX + width, startY + height, 0, 1.1, 1.1, |
| 259 | startX + width, startY, 0, 1.1, 0); |
| 260 | |
| 261 | // Nearest |
| 262 | rsgBindSampler(gProgFragmentTexture, 0, gNearestClamp); |
| 263 | startX = 300; startY = 0; |
| 264 | width = 300; height = 300; |
| 265 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 266 | startX, startY + height, 0, 0, 1.1, |
| 267 | startX + width, startY + height, 0, 1.1, 1.1, |
| 268 | startX + width, startY, 0, 1.1, 0); |
| 269 | |
| 270 | rsgBindSampler(gProgFragmentTexture, 0, gMipLinearWrap); |
| 271 | startX = 300; startY = 300; |
| 272 | width = 300; height = 300; |
| 273 | rsgDrawQuadTexCoords(startX, startY, 0, 0, 0, |
| 274 | startX, startY + height, 0, 0, 1.5, |
| 275 | startX + width, startY + height, 0, 1.5, 1.5, |
| 276 | startX + width, startY, 0, 1.5, 0); |
| 277 | |
| 278 | |
| 279 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 280 | rsgBindFont(gFontMono); |
| 281 | rsgDrawText("Filtering: linear clamp", 10, 290); |
| 282 | rsgDrawText("Filtering: linear wrap", 10, 590); |
| 283 | rsgDrawText("Filtering: nearest clamp", 310, 290); |
| 284 | rsgDrawText("Filtering: miplinear wrap", 310, 590); |
| 285 | |
| 286 | } |
| 287 | |
| 288 | float gTorusRotation = 0; |
| 289 | |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 290 | void displayCullingSamples() { |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 291 | rsgBindProgramVertex(gProgVertex); |
| 292 | // Setup the projectioni matrix with 60 degree field of view |
| 293 | rs_matrix4x4 proj; |
| 294 | float aspect = (float)rsgGetWidth() / (float)rsgGetHeight(); |
| 295 | rsMatrixLoadPerspective(&proj, 30.0f, aspect, 0.1f, 100.0f); |
| 296 | rsgProgramVertexLoadProjectionMatrix(&proj); |
| 297 | |
| 298 | // Fragment shader with texture |
| 299 | rsgBindProgramStore(gProgStoreBlendNoneDepth); |
| 300 | rsgBindProgramFragment(gProgFragmentTexture); |
| 301 | rsgBindSampler(gProgFragmentTexture, 0, gLinearClamp); |
| 302 | rsgBindTexture(gProgFragmentTexture, 0, gTexTorus); |
| 303 | |
| 304 | // Aplly a rotation to our mesh |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 305 | gTorusRotation += 50.0f * gDt; |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 306 | if(gTorusRotation > 360.0f) { |
| 307 | gTorusRotation -= 360.0f; |
| 308 | } |
| 309 | |
| 310 | rs_matrix4x4 matrix; |
| 311 | // Position our model on the screen |
| 312 | rsMatrixLoadTranslate(&matrix, -2.0f, 0.0f, -10.0f); |
| 313 | rsMatrixRotate(&matrix, gTorusRotation, 1.0f, 0.0f, 0.0f); |
| 314 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 315 | // Use front face culling |
| 316 | rsgBindProgramRaster(gCullFront); |
| 317 | rsgDrawMesh(gTorusMesh); |
| 318 | |
| 319 | rsMatrixLoadTranslate(&matrix, 2.0f, 0.0f, -10.0f); |
| 320 | rsMatrixRotate(&matrix, gTorusRotation, 1.0f, 0.0f, 0.0f); |
| 321 | rsgProgramVertexLoadModelMatrix(&matrix); |
| 322 | // Use back face culling |
| 323 | rsgBindProgramRaster(gCullBack); |
| 324 | rsgDrawMesh(gTorusMesh); |
| 325 | |
| 326 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 327 | rsgBindFont(gFontMono); |
| 328 | rsgDrawText("Displaying mesh front/back face culling", 10, rsgGetHeight() - 10); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 329 | } |
| 330 | |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 331 | float gLight0Rotation = 0; |
| 332 | float gLight1Rotation = 0; |
| 333 | |
| 334 | void setupCustomShaderLights() { |
| 335 | float4 light0Pos = {-5.0f, 5.0f, -10.0f, 1.0f}; |
| 336 | float4 light1Pos = {2.0f, 5.0f, 15.0f, 1.0f}; |
| 337 | float3 light0DiffCol = {0.9f, 0.7f, 0.7f}; |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 338 | float3 light0SpecCol = {0.9f, 0.6f, 0.6f}; |
| 339 | float3 light1DiffCol = {0.5f, 0.5f, 0.9f}; |
| 340 | float3 light1SpecCol = {0.5f, 0.5f, 0.9f}; |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 341 | |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 342 | gLight0Rotation += 50.0f * gDt; |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 343 | if(gLight0Rotation > 360.0f) { |
| 344 | gLight0Rotation -= 360.0f; |
| 345 | } |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 346 | gLight1Rotation -= 50.0f * gDt; |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 347 | if(gLight1Rotation > 360.0f) { |
| 348 | gLight1Rotation -= 360.0f; |
| 349 | } |
| 350 | |
| 351 | rs_matrix4x4 l0Mat; |
| 352 | rsMatrixLoadRotate(&l0Mat, gLight0Rotation, 1.0f, 0.0f, 0.0f); |
| 353 | light0Pos = rsMatrixMultiply(&l0Mat, light0Pos); |
| 354 | rs_matrix4x4 l1Mat; |
| 355 | rsMatrixLoadRotate(&l1Mat, gLight1Rotation, 0.0f, 0.0f, 1.0f); |
| 356 | light1Pos = rsMatrixMultiply(&l1Mat, light1Pos); |
| 357 | |
| 358 | // Set light 0 properties |
| 359 | gVSConstants->light0_Posision.x = light0Pos.x; |
| 360 | gVSConstants->light0_Posision.y = light0Pos.y; |
| 361 | gVSConstants->light0_Posision.z = light0Pos.z; |
| 362 | gVSConstants->light0_Diffuse = 1.0f; |
| 363 | gVSConstants->light0_Specular = 0.5f; |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 364 | gVSConstants->light0_CosinePower = 40.0f; |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 365 | // Set light 1 properties |
| 366 | gVSConstants->light1_Posision.x = light1Pos.x; |
| 367 | gVSConstants->light1_Posision.y = light1Pos.y; |
| 368 | gVSConstants->light1_Posision.z = light1Pos.z; |
| 369 | gVSConstants->light1_Diffuse = 1.0f; |
| 370 | gVSConstants->light1_Specular = 0.7f; |
| 371 | gVSConstants->light1_CosinePower = 50.0f; |
| 372 | |
| 373 | // Update fragmetn shader constants |
| 374 | // Set light 0 colors |
| 375 | gFSConstants->light0_DiffuseColor = light0DiffCol; |
| 376 | gFSConstants->light0_SpecularColor = light0SpecCol; |
| 377 | // Set light 1 colors |
| 378 | gFSConstants->light1_DiffuseColor = light1DiffCol; |
| 379 | gFSConstants->light1_SpecularColor = light1SpecCol; |
| 380 | } |
| 381 | |
| 382 | void displayCustomShaderSamples() { |
| 383 | |
| 384 | // Update vertex shader constants |
| 385 | // Load model matrix |
| 386 | // Aplly a rotation to our mesh |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 387 | gTorusRotation += 50.0f * gDt; |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 388 | if(gTorusRotation > 360.0f) { |
| 389 | gTorusRotation -= 360.0f; |
| 390 | } |
| 391 | |
| 392 | // Position our model on the screen |
| 393 | rsMatrixLoadTranslate(&gVSConstants->model, 0.0f, 0.0f, -10.0f); |
| 394 | rsMatrixRotate(&gVSConstants->model, gTorusRotation, 1.0f, 0.0f, 0.0f); |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 395 | rsMatrixRotate(&gVSConstants->model, gTorusRotation, 0.0f, 0.0f, 1.0f); |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 396 | setupCustomShaderLights(); |
| 397 | |
| 398 | rsgBindProgramVertex(gProgVertexCustom); |
| 399 | // Setup the projectioni matrix with 60 degree field of view |
| 400 | rs_matrix4x4 proj; |
| 401 | float aspect = (float)rsgGetWidth() / (float)rsgGetHeight(); |
| 402 | rsMatrixLoadPerspective(&proj, 30.0f, aspect, 0.1f, 100.0f); |
| 403 | rsgProgramVertexLoadProjectionMatrix(&proj); |
| 404 | |
| 405 | // Fragment shader with texture |
| 406 | rsgBindProgramStore(gProgStoreBlendNoneDepth); |
| 407 | rsgBindProgramFragment(gProgFragmentCustom); |
| 408 | rsgBindSampler(gProgFragmentCustom, 0, gLinearClamp); |
| 409 | rsgBindTexture(gProgFragmentCustom, 0, gTexTorus); |
| 410 | |
| 411 | // Use back face culling |
| 412 | rsgBindProgramRaster(gCullBack); |
| 413 | rsgDrawMesh(gTorusMesh); |
| 414 | |
| 415 | rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f); |
| 416 | rsgBindFont(gFontMono); |
| 417 | rsgDrawText("Custom shader sample", 10, rsgGetHeight() - 10); |
| 418 | } |
| 419 | |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 420 | int root(int launchID) { |
| 421 | |
Alex Sakhartchouk | 6e93421 | 2010-08-31 12:02:01 -0700 | [diff] [blame^] | 422 | gDt = rsGetDt(); |
| 423 | |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 424 | rsgClearColor(0.2f, 0.2f, 0.2f, 0.0f); |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 425 | rsgClearDepth(1.0f); |
| 426 | |
| 427 | switch(gDisplayMode) { |
| 428 | case 0: |
| 429 | displayFontSamples(); |
| 430 | break; |
| 431 | case 1: |
| 432 | displayShaderSamples(); |
| 433 | break; |
| 434 | case 2: |
| 435 | displayBlendingSamples(); |
| 436 | break; |
| 437 | case 3: |
| 438 | displayMeshSamples(); |
| 439 | break; |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 440 | case 4: |
| 441 | displayTextureSamplers(); |
| 442 | break; |
| 443 | case 5: |
Alex Sakhartchouk | af83e79 | 2010-08-27 16:10:55 -0700 | [diff] [blame] | 444 | displayCullingSamples(); |
| 445 | break; |
| 446 | case 6: |
| 447 | displayCustomShaderSamples(); |
Alex Sakhartchouk | 6e657c3 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 448 | break; |
Alex Sakhartchouk | c8dc45c | 2010-08-23 10:24:10 -0700 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | return 10; |
| 452 | } |