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Diffstat (limited to 'src/gallium/auxiliary/util')
-rw-r--r--src/gallium/auxiliary/util/u_blit.c60
1 files changed, 43 insertions, 17 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index 6fb341eaf2..dfb142b9e1 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -42,6 +42,7 @@
#include "util/u_blit.h"
#include "util/u_draw_quad.h"
+#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_sampler.h"
@@ -56,7 +57,8 @@ struct blit_state
struct cso_context *cso;
struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state depthstencil;
+ struct pipe_depth_stencil_alpha_state depthstencil_keep;
+ struct pipe_depth_stencil_alpha_state depthstencil_write;
struct pipe_rasterizer_state rasterizer;
struct pipe_sampler_state sampler;
struct pipe_viewport_state viewport;
@@ -66,6 +68,7 @@ struct blit_state
void *vs;
void *fs[TGSI_WRITEMASK_XYZW + 1];
+ void *fs_depth;
struct pipe_resource *vbuf; /**< quad vertices */
unsigned vbuf_slot;
@@ -96,7 +99,11 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
ctx->blend.rt[0].colormask = PIPE_MASK_RGBA;
/* no-op depth/stencil/alpha */
- memset(&ctx->depthstencil, 0, sizeof(ctx->depthstencil));
+ memset(&ctx->depthstencil_keep, 0, sizeof(ctx->depthstencil_keep));
+ memset(&ctx->depthstencil_write, 0, sizeof(ctx->depthstencil_write));
+ ctx->depthstencil_write.depth.enabled = 1;
+ ctx->depthstencil_write.depth.writemask = 1;
+ ctx->depthstencil_write.depth.func = PIPE_FUNC_ALWAYS;
/* rasterizer */
memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
@@ -169,6 +176,9 @@ util_destroy_blit(struct blit_state *ctx)
if (ctx->fs[i])
pipe->delete_fs_state(pipe, ctx->fs[i]);
+ if (ctx->fs_depth)
+ pipe->delete_fs_state(pipe, ctx->fs_depth);
+
pipe_resource_reference(&ctx->vbuf, NULL);
FREE(ctx);
@@ -276,7 +286,7 @@ 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 need some control over blitting Z and/or stencil.
+ * XXX need some control over blitting stencil.
*/
void
util_blit_pixels_writemask(struct blit_state *ctx,
@@ -299,7 +309,7 @@ util_blit_pixels_writemask(struct blit_state *ctx,
const int srcW = abs(srcX1 - srcX0);
const int srcH = abs(srcY1 - srcY0);
unsigned offset;
- boolean overlap;
+ boolean overlap, dst_is_depth;
float s0, t0, s1, t1;
boolean normalized;
@@ -444,14 +454,15 @@ util_blit_pixels_writemask(struct blit_state *ctx,
}
}
+ dst_is_depth = util_format_is_depth_or_stencil(dst->format);
assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target,
sampler_view->texture->nr_samples,
PIPE_BIND_SAMPLER_VIEW, 0));
assert(screen->is_format_supported(screen, dst->format, ctx->internal_target,
dst->texture->nr_samples,
- PIPE_BIND_RENDER_TARGET, 0));
-
+ dst_is_depth ? PIPE_BIND_DEPTH_STENCIL :
+ PIPE_BIND_RENDER_TARGET, 0));
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_depth_stencil_alpha(ctx->cso);
@@ -467,7 +478,9 @@ util_blit_pixels_writemask(struct blit_state *ctx,
/* set misc state we care about */
cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil);
+ cso_set_depth_stencil_alpha(ctx->cso,
+ dst_is_depth ? &ctx->depthstencil_write :
+ &ctx->depthstencil_keep);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_clip(ctx->cso, &ctx->clip);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
@@ -496,22 +509,35 @@ util_blit_pixels_writemask(struct blit_state *ctx,
/* texture */
cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
- if (ctx->fs[writemask] == NULL)
- ctx->fs[writemask] =
- util_make_fragment_tex_shader_writemask(pipe, TGSI_TEXTURE_2D,
- TGSI_INTERPOLATE_LINEAR,
- writemask);
-
/* shaders */
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
+ if (dst_is_depth) {
+ if (ctx->fs_depth == NULL)
+ ctx->fs_depth =
+ util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_2D,
+ TGSI_INTERPOLATE_LINEAR);
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth);
+ } else {
+ if (ctx->fs[writemask] == NULL)
+ ctx->fs[writemask] =
+ util_make_fragment_tex_shader_writemask(pipe, TGSI_TEXTURE_2D,
+ TGSI_INTERPOLATE_LINEAR,
+ writemask);
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
+ }
cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
/* drawing dest */
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
- fb.nr_cbufs = 1;
- fb.cbufs[0] = dst;
+ if (dst_is_depth) {
+ fb.zsbuf = dst;
+ } else {
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst;
+ }
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
@@ -644,7 +670,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
/* set misc state we care about */
cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil);
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_clip(ctx->cso, &ctx->clip);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);