diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_blit.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index f0bc58a558f..0b263a9db5c 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -62,6 +62,7 @@ struct blit_state struct pipe_rasterizer_state rasterizer; struct pipe_sampler_state sampler; struct pipe_viewport_state viewport; + struct pipe_clip_state clip; void *vs; void *fs[TGSI_WRITEMASK_XYZW + 1]; @@ -101,7 +102,6 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); ctx->rasterizer.front_winding = PIPE_WINDING_CW; ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; - ctx->rasterizer.bypass_vs_clip_and_viewport = 1; ctx->rasterizer.gl_rasterization_rules = 1; /* samplers */ @@ -114,7 +114,6 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->sampler.mag_img_filter = 0; /* set later */ ctx->sampler.normalized_coords = 1; - /* vertex shader - still required to provide the linkage between * fragment shader input semantics and vertex_element/buffers. */ @@ -266,7 +265,6 @@ regions_overlap(int srcX0, int srcY0, * \param writemask controls which channels in the dest surface are sourced * from the src surface. Disabled channels are sourced * from (0,0,0,1). - * XXX what about clipping??? * XXX need some control over blitting Z and/or stencil. */ void @@ -407,14 +405,17 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_save_rasterizer(ctx->cso); cso_save_samplers(ctx->cso); cso_save_sampler_textures(ctx->cso); + cso_save_viewport(ctx->cso); cso_save_framebuffer(ctx->cso); cso_save_fragment_shader(ctx->cso); cso_save_vertex_shader(ctx->cso); + cso_save_clip(ctx->cso); /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend); cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); + cso_set_clip(ctx->cso, &ctx->clip); /* sampler */ ctx->sampler.min_img_filter = filter; @@ -422,6 +423,17 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_single_sampler(ctx->cso, 0, &ctx->sampler); cso_single_sampler_done(ctx->cso); + /* viewport */ + ctx->viewport.scale[0] = 0.5f * dst->width; + ctx->viewport.scale[1] = 0.5f * dst->height; + ctx->viewport.scale[2] = 0.5f; + ctx->viewport.scale[3] = 1.0f; + ctx->viewport.translate[0] = 0.5f * dst->width; + ctx->viewport.translate[1] = 0.5f * dst->height; + ctx->viewport.translate[2] = 0.5f; + ctx->viewport.translate[3] = 0.0f; + cso_set_viewport(ctx->cso, &ctx->viewport); + /* texture */ cso_set_sampler_textures(ctx->cso, 1, &tex); @@ -444,8 +456,10 @@ util_blit_pixels_writemask(struct blit_state *ctx, /* draw quad */ offset = setup_vertex_data_tex(ctx, - (float) dstX0, (float) dstY0, - (float) dstX1, (float) dstY1, + (float) dstX0 / dst->width * 2.0f - 1.0f, + (float) dstY0 / dst->height * 2.0f - 1.0f, + (float) dstX1 / dst->width * 2.0f - 1.0f, + (float) dstY1 / dst->height * 2.0f - 1.0f, s0, t0, s1, t1, z); @@ -461,9 +475,11 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_restore_rasterizer(ctx->cso); cso_restore_samplers(ctx->cso); cso_restore_sampler_textures(ctx->cso); + cso_restore_viewport(ctx->cso); cso_restore_framebuffer(ctx->cso); cso_restore_fragment_shader(ctx->cso); cso_restore_vertex_shader(ctx->cso); + cso_restore_clip(ctx->cso); pipe_texture_reference(&tex, NULL); } @@ -547,11 +563,13 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_save_framebuffer(ctx->cso); cso_save_fragment_shader(ctx->cso); cso_save_vertex_shader(ctx->cso); + cso_save_clip(ctx->cso); /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend); cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); + cso_set_clip(ctx->cso, &ctx->clip); /* sampler */ ctx->sampler.min_img_filter = filter; @@ -559,6 +577,17 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_single_sampler(ctx->cso, 0, &ctx->sampler); cso_single_sampler_done(ctx->cso); + /* viewport */ + ctx->viewport.scale[0] = 0.5f * dst->width; + ctx->viewport.scale[1] = 0.5f * dst->height; + ctx->viewport.scale[2] = 0.5f; + ctx->viewport.scale[3] = 1.0f; + ctx->viewport.translate[0] = 0.5f * dst->width; + ctx->viewport.translate[1] = 0.5f * dst->height; + ctx->viewport.translate[2] = 0.5f; + ctx->viewport.translate[3] = 0.0f; + cso_set_viewport(ctx->cso, &ctx->viewport); + /* texture */ cso_set_sampler_textures(ctx->cso, 1, &tex); @@ -576,8 +605,10 @@ util_blit_pixels_tex(struct blit_state *ctx, /* draw quad */ offset = setup_vertex_data_tex(ctx, - (float) dstX0, (float) dstY0, - (float) dstX1, (float) dstY1, + (float) dstX0 / dst->width * 2.0f - 1.0f, + (float) dstY0 / dst->height * 2.0f - 1.0f, + (float) dstX1 / dst->width * 2.0f - 1.0f, + (float) dstY1 / dst->height * 2.0f - 1.0f, s0, t0, s1, t1, z); @@ -596,4 +627,5 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_restore_framebuffer(ctx->cso); cso_restore_fragment_shader(ctx->cso); cso_restore_vertex_shader(ctx->cso); + cso_restore_clip(ctx->cso); } |