diff options
author | Brian <brian.paul@tungstengraphics.com> | 2008-03-19 11:12:48 -0600 |
---|---|---|
committer | Brian <brian.paul@tungstengraphics.com> | 2008-03-19 11:14:18 -0600 |
commit | 7d95efde0a0e13e13c59444703bc47eb13926385 (patch) | |
tree | 807dbe0e71c0c98534fef1957b7317acd306c3a5 /src/gallium/auxiliary/util/u_blit.c | |
parent | 1213c7257335d577cf0217e34edafddf0451ba1b (diff) |
gallium: implement CSO save/restore functions for use by meta operations (blit, gen-mipmaps, quad-clear, etc)
Also, additional cso_set_*() functions for viewport, framebuffer, blend color,
etc. state.
Diffstat (limited to 'src/gallium/auxiliary/util/u_blit.c')
-rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 125 |
1 files changed, 60 insertions, 65 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index 4b4ab8185f..123304fe68 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -45,15 +45,18 @@ #include "util/u_blit.h" #include "util/u_simple_shaders.h" +#include "cso_cache/cso_context.h" + struct blit_state { struct pipe_context *pipe; + struct cso_context *cso; - void *blend; - void *depthstencil; - void *rasterizer; - void *samplers[2]; /* one for linear, one for nearest sampling */ + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state depthstencil; + struct pipe_rasterizer_state rasterizer; + struct pipe_sampler_state sampler; /*struct pipe_viewport_state viewport;*/ struct pipe_sampler_state *vs; @@ -66,56 +69,44 @@ struct blit_state * Intended to be created once and re-used for many blit() calls. */ struct blit_state * -util_create_blit(struct pipe_context *pipe) +util_create_blit(struct pipe_context *pipe, struct cso_context *cso) { - struct pipe_blend_state blend; - struct pipe_depth_stencil_alpha_state depthstencil; - struct pipe_rasterizer_state rasterizer; struct blit_state *ctx; - struct pipe_sampler_state sampler; ctx = CALLOC_STRUCT(blit_state); if (!ctx) return NULL; ctx->pipe = pipe; + ctx->cso = cso; - /* we don't use blending, but need to set valid values */ - 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; - ctx->blend = pipe->create_blend_state(pipe, &blend); + /* disabled blending/masking */ + memset(&ctx->blend, 0, sizeof(ctx->blend)); + ctx->blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; + ctx->blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; + ctx->blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + ctx->blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; + ctx->blend.colormask = PIPE_MASK_RGBA; - /* depth/stencil/alpha */ - memset(&depthstencil, 0, sizeof(depthstencil)); - ctx->depthstencil = pipe->create_depth_stencil_alpha_state(pipe, &depthstencil); + /* no-op depth/stencil/alpha */ + memset(&ctx->depthstencil, 0, sizeof(ctx->depthstencil)); /* rasterizer */ - memset(&rasterizer, 0, sizeof(rasterizer)); - rasterizer.front_winding = PIPE_WINDING_CW; - rasterizer.cull_mode = PIPE_WINDING_NONE; - rasterizer.bypass_clipping = 1; /* bypasses viewport too */ - /*rasterizer.bypass_vs = 1;*/ - ctx->rasterizer = pipe->create_rasterizer_state(pipe, &rasterizer); + memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer)); + ctx->rasterizer.front_winding = PIPE_WINDING_CW; + ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; + ctx->rasterizer.bypass_clipping = 1; /* bypasses viewport too */ + /*ctx->rasterizer.bypass_vs = 1;*/ /* samplers */ - 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_MIPFILTER_NEAREST; - sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; - sampler.normalized_coords = 1; - ctx->samplers[0] = pipe->create_sampler_state(pipe, &sampler); - - sampler.min_img_filter = PIPE_TEX_MIPFILTER_LINEAR; - sampler.mag_img_filter = PIPE_TEX_MIPFILTER_LINEAR; - ctx->samplers[1] = pipe->create_sampler_state(pipe, &sampler); - + memset(&ctx->sampler, 0, sizeof(ctx->sampler)); + ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + ctx->sampler.min_img_filter = 0; /* set later */ + ctx->sampler.mag_img_filter = 0; /* set later */ + ctx->sampler.normalized_coords = 1; #if 0 /* viewport */ @@ -153,12 +144,6 @@ util_destroy_blit(struct blit_state *ctx) { struct pipe_context *pipe = ctx->pipe; - pipe->delete_blend_state(pipe, ctx->blend); - pipe->delete_depth_stencil_alpha_state(pipe, ctx->depthstencil); - pipe->delete_rasterizer_state(pipe, ctx->rasterizer); - pipe->delete_sampler_state(pipe, ctx->samplers[0]); - pipe->delete_sampler_state(pipe, ctx->samplers[1]); - pipe->delete_vs_state(pipe, ctx->vs); pipe->delete_fs_state(pipe, ctx->fs); @@ -236,17 +221,24 @@ util_blit_pixels(struct blit_state *ctx, src, srcLeft, srcTop, /* src */ srcW, srcH); /* size */ - /* drawing dest */ - memset(&fb, 0, sizeof(fb)); - fb.num_cbufs = 1; - fb.cbufs[0] = dst; - pipe->set_framebuffer_state(pipe, &fb); + /* save state (restored below) */ + cso_save_blend(ctx->cso); + cso_save_depth_stencil_alpha(ctx->cso); + cso_save_rasterizer(ctx->cso); + cso_save_samplers(ctx->cso); + cso_save_sampler_textures(ctx->cso); + cso_save_framebuffer(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); /* sampler */ - if (filter == PIPE_TEX_MIPFILTER_NEAREST) - pipe->bind_sampler_states(pipe, 1, &ctx->samplers[0]); - else - pipe->bind_sampler_states(pipe, 1, &ctx->samplers[1]); + ctx->sampler.min_img_filter = filter; + ctx->sampler.mag_img_filter = filter; + cso_single_sampler(ctx->cso, 0, &ctx->sampler); + cso_single_sampler_done(ctx->cso); /* texture */ pipe->set_sampler_textures(pipe, 1, &tex); @@ -255,22 +247,25 @@ util_blit_pixels(struct blit_state *ctx, pipe->bind_fs_state(pipe, ctx->fs); pipe->bind_vs_state(pipe, ctx->vs); - /* misc state */ - pipe->bind_blend_state(pipe, ctx->blend); - pipe->bind_depth_stencil_alpha_state(pipe, ctx->depthstencil); - pipe->bind_rasterizer_state(pipe, ctx->rasterizer); + /* drawing dest */ + memset(&fb, 0, sizeof(fb)); + fb.num_cbufs = 1; + fb.cbufs[0] = dst; + cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ util_draw_texquad(pipe, dstX0, dstY0, dstX1, dstY1, z); - /* unbind */ - pipe->set_sampler_textures(pipe, 0, NULL); - pipe->bind_sampler_states(pipe, 0, NULL); + /* restore state we changed */ + cso_restore_blend(ctx->cso); + cso_restore_depth_stencil_alpha(ctx->cso); + cso_restore_rasterizer(ctx->cso); + cso_restore_samplers(ctx->cso); + cso_restore_sampler_textures(ctx->cso); + cso_restore_framebuffer(ctx->cso); - /* free stuff */ + /* free the texture */ pipe_surface_reference(&texSurf, NULL); screen->texture_release(screen, &tex); - - /* Note: caller must restore pipe/gallium state at this time */ } |