| /************************************************************************** |
| * |
| * Copyright 2009 VMware, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #include "renderer.h" |
| |
| #include "vg_context.h" |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| #include "pipe/p_inlines.h" |
| #include "pipe/p_screen.h" |
| #include "pipe/p_shader_tokens.h" |
| |
| #include "util/u_draw_quad.h" |
| #include "util/u_format.h" |
| #include "util/u_simple_shaders.h" |
| #include "util/u_memory.h" |
| #include "util/u_rect.h" |
| |
| #include "cso_cache/cso_context.h" |
| |
| struct renderer { |
| struct pipe_context *pipe; |
| struct vg_context *owner; |
| |
| struct cso_context *cso; |
| |
| void *fs; |
| |
| VGfloat vertices[4][2][4]; |
| }; |
| |
| static void setup_shaders(struct renderer *ctx) |
| { |
| struct pipe_context *pipe = ctx->pipe; |
| /* fragment shader */ |
| ctx->fs = util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D); |
| } |
| |
| static struct pipe_buffer * |
| setup_vertex_data(struct renderer *ctx, |
| float x0, float y0, float x1, float y1, float z) |
| { |
| ctx->vertices[0][0][0] = x0; |
| ctx->vertices[0][0][1] = y0; |
| ctx->vertices[0][0][2] = z; |
| ctx->vertices[0][1][0] = 0.0f; /*s*/ |
| ctx->vertices[0][1][1] = 0.0f; /*t*/ |
| |
| ctx->vertices[1][0][0] = x1; |
| ctx->vertices[1][0][1] = y0; |
| ctx->vertices[1][0][2] = z; |
| ctx->vertices[1][1][0] = 1.0f; /*s*/ |
| ctx->vertices[1][1][1] = 0.0f; /*t*/ |
| |
| ctx->vertices[2][0][0] = x1; |
| ctx->vertices[2][0][1] = y1; |
| ctx->vertices[2][0][2] = z; |
| ctx->vertices[2][1][0] = 1.0f; |
| ctx->vertices[2][1][1] = 1.0f; |
| |
| ctx->vertices[3][0][0] = x0; |
| ctx->vertices[3][0][1] = y1; |
| ctx->vertices[3][0][2] = z; |
| ctx->vertices[3][1][0] = 0.0f; |
| ctx->vertices[3][1][1] = 1.0f; |
| |
| return pipe_user_buffer_create( ctx->pipe->screen, |
| ctx->vertices, |
| sizeof(ctx->vertices) ); |
| } |
| |
| static struct pipe_buffer * |
| setup_vertex_data_tex(struct renderer *ctx, |
| float x0, float y0, float x1, float y1, |
| float s0, float t0, float s1, float t1, |
| float z) |
| { |
| ctx->vertices[0][0][0] = x0; |
| ctx->vertices[0][0][1] = y0; |
| ctx->vertices[0][0][2] = z; |
| ctx->vertices[0][1][0] = s0; /*s*/ |
| ctx->vertices[0][1][1] = t0; /*t*/ |
| |
| ctx->vertices[1][0][0] = x1; |
| ctx->vertices[1][0][1] = y0; |
| ctx->vertices[1][0][2] = z; |
| ctx->vertices[1][1][0] = s1; /*s*/ |
| ctx->vertices[1][1][1] = t0; /*t*/ |
| |
| ctx->vertices[2][0][0] = x1; |
| ctx->vertices[2][0][1] = y1; |
| ctx->vertices[2][0][2] = z; |
| ctx->vertices[2][1][0] = s1; |
| ctx->vertices[2][1][1] = t1; |
| |
| ctx->vertices[3][0][0] = x0; |
| ctx->vertices[3][0][1] = y1; |
| ctx->vertices[3][0][2] = z; |
| ctx->vertices[3][1][0] = s0; |
| ctx->vertices[3][1][1] = t1; |
| |
| return pipe_user_buffer_create( ctx->pipe->screen, |
| ctx->vertices, |
| sizeof(ctx->vertices) ); |
| } |
| |
| |
| static struct pipe_buffer * |
| setup_vertex_data_qtex(struct renderer *ctx, |
| float x0, float y0, float x1, float y1, |
| float x2, float y2, float x3, float y3, |
| float s0, float t0, float s1, float t1, |
| float z) |
| { |
| ctx->vertices[0][0][0] = x0; |
| ctx->vertices[0][0][1] = y0; |
| ctx->vertices[0][0][2] = z; |
| ctx->vertices[0][1][0] = s0; /*s*/ |
| ctx->vertices[0][1][1] = t0; /*t*/ |
| |
| ctx->vertices[1][0][0] = x1; |
| ctx->vertices[1][0][1] = y1; |
| ctx->vertices[1][0][2] = z; |
| ctx->vertices[1][1][0] = s1; /*s*/ |
| ctx->vertices[1][1][1] = t0; /*t*/ |
| |
| ctx->vertices[2][0][0] = x2; |
| ctx->vertices[2][0][1] = y2; |
| ctx->vertices[2][0][2] = z; |
| ctx->vertices[2][1][0] = s1; |
| ctx->vertices[2][1][1] = t1; |
| |
| ctx->vertices[3][0][0] = x3; |
| ctx->vertices[3][0][1] = y3; |
| ctx->vertices[3][0][2] = z; |
| ctx->vertices[3][1][0] = s0; |
| ctx->vertices[3][1][1] = t1; |
| |
| return pipe_user_buffer_create( ctx->pipe->screen, |
| ctx->vertices, |
| sizeof(ctx->vertices) ); |
| } |
| |
| struct renderer * renderer_create(struct vg_context *owner) |
| { |
| VGint i; |
| struct renderer *renderer = CALLOC_STRUCT(renderer); |
| |
| if (!renderer) |
| return NULL; |
| |
| renderer->owner = owner; |
| renderer->pipe = owner->pipe; |
| renderer->cso = owner->cso_context; |
| |
| setup_shaders(renderer); |
| |
| /* init vertex data that doesn't change */ |
| for (i = 0; i < 4; i++) { |
| renderer->vertices[i][0][3] = 1.0f; /* w */ |
| renderer->vertices[i][1][2] = 0.0f; /* r */ |
| renderer->vertices[i][1][3] = 1.0f; /* q */ |
| } |
| |
| return renderer; |
| } |
| |
| void renderer_destroy(struct renderer *ctx) |
| { |
| #if 0 |
| if (ctx->fs) { |
| cso_delete_fragment_shader(ctx->cso, ctx->fs); |
| ctx->fs = NULL; |
| } |
| #endif |
| free(ctx); |
| } |
| |
| void renderer_draw_quad(struct renderer *r, |
| VGfloat x1, VGfloat y1, |
| VGfloat x2, VGfloat y2, |
| VGfloat depth) |
| { |
| struct pipe_buffer *buf; |
| |
| buf = setup_vertex_data(r, x1, y1, x2, y2, depth); |
| |
| if (buf) { |
| util_draw_vertex_buffer(r->pipe, buf, 0, |
| PIPE_PRIM_TRIANGLE_FAN, |
| 4, /* verts */ |
| 2); /* attribs/vert */ |
| |
| pipe_buffer_reference( &buf, |
| NULL ); |
| } |
| } |
| |
| void renderer_draw_texture(struct renderer *r, |
| struct pipe_texture *tex, |
| VGfloat x1offset, VGfloat y1offset, |
| VGfloat x2offset, VGfloat y2offset, |
| VGfloat x1, VGfloat y1, |
| VGfloat x2, VGfloat y2) |
| { |
| struct pipe_context *pipe = r->pipe; |
| struct pipe_buffer *buf; |
| VGfloat s0, t0, s1, t1; |
| |
| assert(tex->width0 != 0); |
| assert(tex->height0 != 0); |
| |
| s0 = x1offset / tex->width0; |
| s1 = x2offset / tex->width0; |
| t0 = y1offset / tex->height0; |
| t1 = y2offset / tex->height0; |
| |
| cso_save_vertex_shader(r->cso); |
| /* shaders */ |
| cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner)); |
| |
| /* draw quad */ |
| buf = setup_vertex_data_tex(r, x1, y1, x2, y2, |
| s0, t0, s1, t1, 0.0f); |
| |
| if (buf) { |
| util_draw_vertex_buffer(pipe, buf, 0, |
| PIPE_PRIM_TRIANGLE_FAN, |
| 4, /* verts */ |
| 2); /* attribs/vert */ |
| |
| pipe_buffer_reference( &buf, |
| NULL ); |
| } |
| |
| cso_restore_vertex_shader(r->cso); |
| } |
| |
| void renderer_copy_texture(struct renderer *ctx, |
| struct pipe_texture *src, |
| VGfloat sx1, VGfloat sy1, |
| VGfloat sx2, VGfloat sy2, |
| struct pipe_texture *dst, |
| VGfloat dx1, VGfloat dy1, |
| VGfloat dx2, VGfloat dy2) |
| { |
| struct pipe_context *pipe = ctx->pipe; |
| struct pipe_screen *screen = pipe->screen; |
| struct pipe_buffer *buf; |
| struct pipe_surface *dst_surf = screen->get_tex_surface( |
| screen, dst, 0, 0, 0, |
| PIPE_BUFFER_USAGE_GPU_WRITE); |
| struct pipe_framebuffer_state fb; |
| float s0, t0, s1, t1; |
| |
| assert(src->width0 != 0); |
| assert(src->height0 != 0); |
| assert(dst->width0 != 0); |
| assert(dst->height0 != 0); |
| |
| #if 0 |
| debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n", |
| sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2); |
| #endif |
| |
| #if 1 |
| s0 = sx1 / src->width0; |
| s1 = sx2 / src->width0; |
| t0 = sy1 / src->height0; |
| t1 = sy2 / src->height0; |
| #else |
| s0 = 0; |
| s1 = 1; |
| t0 = 0; |
| t1 = 1; |
| #endif |
| |
| assert(screen->is_format_supported(screen, dst_surf->format, PIPE_TEXTURE_2D, |
| PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)); |
| |
| /* save state (restored below) */ |
| cso_save_blend(ctx->cso); |
| cso_save_samplers(ctx->cso); |
| cso_save_sampler_textures(ctx->cso); |
| cso_save_framebuffer(ctx->cso); |
| cso_save_fragment_shader(ctx->cso); |
| cso_save_vertex_shader(ctx->cso); |
| |
| cso_save_viewport(ctx->cso); |
| |
| |
| /* set misc state we care about */ |
| { |
| struct pipe_blend_state blend; |
| memset(&blend, 0, sizeof(blend)); |
| blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; |
| blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; |
| blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; |
| blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; |
| blend.colormask = PIPE_MASK_RGBA; |
| cso_set_blend(ctx->cso, &blend); |
| } |
| |
| /* sampler */ |
| { |
| struct pipe_sampler_state sampler; |
| memset(&sampler, 0, sizeof(sampler)); |
| sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
| sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.normalized_coords = 1; |
| cso_single_sampler(ctx->cso, 0, &sampler); |
| cso_single_sampler_done(ctx->cso); |
| } |
| |
| vg_set_viewport(ctx->owner, VEGA_Y0_TOP); |
| |
| /* texture */ |
| cso_set_sampler_textures(ctx->cso, 1, &src); |
| |
| /* shaders */ |
| cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner)); |
| cso_set_fragment_shader_handle(ctx->cso, ctx->fs); |
| |
| /* drawing dest */ |
| memset(&fb, 0, sizeof(fb)); |
| fb.width = dst_surf->width; |
| fb.height = dst_surf->height; |
| fb.nr_cbufs = 1; |
| fb.cbufs[0] = dst_surf; |
| { |
| VGint i; |
| for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) |
| fb.cbufs[i] = 0; |
| } |
| cso_set_framebuffer(ctx->cso, &fb); |
| |
| /* draw quad */ |
| buf = setup_vertex_data_tex(ctx, |
| dx1, dy1, |
| dx2, dy2, |
| s0, t0, s1, t1, |
| 0.0f); |
| |
| if (buf) { |
| util_draw_vertex_buffer(ctx->pipe, buf, 0, |
| PIPE_PRIM_TRIANGLE_FAN, |
| 4, /* verts */ |
| 2); /* attribs/vert */ |
| |
| pipe_buffer_reference( &buf, |
| NULL ); |
| } |
| |
| /* restore state we changed */ |
| cso_restore_blend(ctx->cso); |
| cso_restore_samplers(ctx->cso); |
| cso_restore_sampler_textures(ctx->cso); |
| cso_restore_framebuffer(ctx->cso); |
| cso_restore_vertex_shader(ctx->cso); |
| cso_restore_fragment_shader(ctx->cso); |
| cso_restore_viewport(ctx->cso); |
| |
| pipe_surface_reference(&dst_surf, NULL); |
| } |
| |
| void renderer_copy_surface(struct renderer *ctx, |
| struct pipe_surface *src, |
| int srcX0, int srcY0, |
| int srcX1, int srcY1, |
| struct pipe_surface *dst, |
| int dstX0, int dstY0, |
| int dstX1, int dstY1, |
| float z, unsigned filter) |
| { |
| struct pipe_context *pipe = ctx->pipe; |
| struct pipe_screen *screen = pipe->screen; |
| struct pipe_buffer *buf; |
| struct pipe_texture texTemp, *tex; |
| struct pipe_surface *texSurf; |
| struct pipe_framebuffer_state fb; |
| struct st_framebuffer *stfb = ctx->owner->draw_buffer; |
| const int srcW = abs(srcX1 - srcX0); |
| const int srcH = abs(srcY1 - srcY0); |
| const int srcLeft = MIN2(srcX0, srcX1); |
| const int srcTop = MIN2(srcY0, srcY1); |
| |
| assert(filter == PIPE_TEX_MIPFILTER_NEAREST || |
| filter == PIPE_TEX_MIPFILTER_LINEAR); |
| |
| if (srcLeft != srcX0) { |
| /* left-right flip */ |
| int tmp = dstX0; |
| dstX0 = dstX1; |
| dstX1 = tmp; |
| } |
| |
| if (srcTop != srcY0) { |
| /* up-down flip */ |
| int tmp = dstY0; |
| dstY0 = dstY1; |
| dstY1 = tmp; |
| } |
| |
| assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D, |
| PIPE_TEXTURE_USAGE_SAMPLER, 0)); |
| assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, |
| PIPE_TEXTURE_USAGE_SAMPLER, 0)); |
| assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, |
| PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)); |
| |
| /* |
| * XXX for now we're always creating a temporary texture. |
| * Strictly speaking that's not always needed. |
| */ |
| |
| /* create temp texture */ |
| memset(&texTemp, 0, sizeof(texTemp)); |
| texTemp.target = PIPE_TEXTURE_2D; |
| texTemp.format = src->format; |
| texTemp.last_level = 0; |
| texTemp.width0 = srcW; |
| texTemp.height0 = srcH; |
| texTemp.depth0 = 1; |
| |
| tex = screen->texture_create(screen, &texTemp); |
| if (!tex) |
| return; |
| |
| texSurf = screen->get_tex_surface(screen, tex, 0, 0, 0, |
| PIPE_BUFFER_USAGE_GPU_WRITE); |
| |
| /* load temp texture */ |
| if (pipe->surface_copy) { |
| pipe->surface_copy(pipe, |
| texSurf, 0, 0, /* dest */ |
| src, srcLeft, srcTop, /* src */ |
| srcW, srcH); /* size */ |
| } else { |
| util_surface_copy(pipe, FALSE, |
| texSurf, 0, 0, /* dest */ |
| src, srcLeft, srcTop, /* src */ |
| srcW, srcH); /* size */ |
| } |
| |
| /* free the surface, update the texture if necessary.*/ |
| screen->tex_surface_destroy(texSurf); |
| |
| /* save state (restored below) */ |
| cso_save_blend(ctx->cso); |
| cso_save_samplers(ctx->cso); |
| cso_save_sampler_textures(ctx->cso); |
| cso_save_framebuffer(ctx->cso); |
| cso_save_fragment_shader(ctx->cso); |
| cso_save_vertex_shader(ctx->cso); |
| cso_save_viewport(ctx->cso); |
| |
| /* set misc state we care about */ |
| { |
| struct pipe_blend_state blend; |
| memset(&blend, 0, sizeof(blend)); |
| blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; |
| blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; |
| blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; |
| blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; |
| blend.colormask = PIPE_MASK_RGBA; |
| cso_set_blend(ctx->cso, &blend); |
| } |
| |
| vg_set_viewport(ctx->owner, VEGA_Y0_TOP); |
| |
| /* sampler */ |
| { |
| struct pipe_sampler_state sampler; |
| memset(&sampler, 0, sizeof(sampler)); |
| sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
| sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
| sampler.normalized_coords = 1; |
| cso_single_sampler(ctx->cso, 0, &sampler); |
| cso_single_sampler_done(ctx->cso); |
| } |
| |
| /* texture */ |
| cso_set_sampler_textures(ctx->cso, 1, &tex); |
| |
| /* shaders */ |
| cso_set_fragment_shader_handle(ctx->cso, ctx->fs); |
| cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner)); |
| |
| /* drawing dest */ |
| if (stfb->strb->surface != dst) { |
| memset(&fb, 0, sizeof(fb)); |
| fb.width = dst->width; |
| fb.height = dst->height; |
| fb.nr_cbufs = 1; |
| fb.cbufs[0] = dst; |
| fb.zsbuf = stfb->dsrb->surface; |
| cso_set_framebuffer(ctx->cso, &fb); |
| } |
| |
| /* draw quad */ |
| buf = setup_vertex_data(ctx, |
| (float) dstX0, (float) dstY0, |
| (float) dstX1, (float) dstY1, z); |
| |
| if (buf) { |
| util_draw_vertex_buffer(ctx->pipe, buf, 0, |
| PIPE_PRIM_TRIANGLE_FAN, |
| 4, /* verts */ |
| 2); /* attribs/vert */ |
| |
| pipe_buffer_reference( &buf, |
| NULL ); |
| } |
| |
| |
| /* restore state we changed */ |
| cso_restore_blend(ctx->cso); |
| cso_restore_samplers(ctx->cso); |
| cso_restore_sampler_textures(ctx->cso); |
| cso_restore_framebuffer(ctx->cso); |
| cso_restore_fragment_shader(ctx->cso); |
| cso_restore_vertex_shader(ctx->cso); |
| cso_restore_viewport(ctx->cso); |
| |
| pipe_texture_reference(&tex, NULL); |
| } |
| |
| void renderer_texture_quad(struct renderer *r, |
| struct pipe_texture *tex, |
| VGfloat x1offset, VGfloat y1offset, |
| VGfloat x2offset, VGfloat y2offset, |
| VGfloat x1, VGfloat y1, |
| VGfloat x2, VGfloat y2, |
| VGfloat x3, VGfloat y3, |
| VGfloat x4, VGfloat y4) |
| { |
| struct pipe_context *pipe = r->pipe; |
| struct pipe_buffer *buf; |
| VGfloat s0, t0, s1, t1; |
| |
| assert(tex->width0 != 0); |
| assert(tex->height0 != 0); |
| |
| s0 = x1offset / tex->width0; |
| s1 = x2offset / tex->width0; |
| t0 = y1offset / tex->height0; |
| t1 = y2offset / tex->height0; |
| |
| cso_save_vertex_shader(r->cso); |
| /* shaders */ |
| cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner)); |
| |
| /* draw quad */ |
| buf = setup_vertex_data_qtex(r, x1, y1, x2, y2, x3, y3, x4, y4, |
| s0, t0, s1, t1, 0.0f); |
| |
| if (buf) { |
| util_draw_vertex_buffer(pipe, buf, 0, |
| PIPE_PRIM_TRIANGLE_FAN, |
| 4, /* verts */ |
| 2); /* attribs/vert */ |
| |
| pipe_buffer_reference(&buf, |
| NULL); |
| } |
| |
| cso_restore_vertex_shader(r->cso); |
| } |