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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_blit.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_blit.c337
1 files changed, 226 insertions, 111 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c
index 9bd2ef52d..b52f4c092 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blit.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blit.c
@@ -56,9 +56,11 @@ struct blit_state
struct pipe_context *pipe;
struct cso_context *cso;
- struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state depthstencil_keep;
- struct pipe_depth_stencil_alpha_state depthstencil_write;
+ struct pipe_blend_state blend_write_color, blend_keep_color;
+ struct pipe_depth_stencil_alpha_state dsa_keep_depthstencil;
+ struct pipe_depth_stencil_alpha_state dsa_write_depthstencil;
+ struct pipe_depth_stencil_alpha_state dsa_write_depth;
+ struct pipe_depth_stencil_alpha_state dsa_write_stencil;
struct pipe_rasterizer_state rasterizer;
struct pipe_sampler_state sampler;
struct pipe_viewport_state viewport;
@@ -66,13 +68,17 @@ struct blit_state
enum pipe_texture_target internal_target;
void *vs;
- void *fs[TGSI_WRITEMASK_XYZW + 1];
- void *fs_depth;
+ void *fs[PIPE_MAX_TEXTURE_TYPES][TGSI_WRITEMASK_XYZW + 1];
+ void *fs_depthstencil[PIPE_MAX_TEXTURE_TYPES];
+ void *fs_depth[PIPE_MAX_TEXTURE_TYPES];
+ void *fs_stencil[PIPE_MAX_TEXTURE_TYPES];
struct pipe_resource *vbuf; /**< quad vertices */
unsigned vbuf_slot;
float vertices[4][2][4]; /**< vertex/texcoords for quad */
+
+ boolean has_stencil_export;
};
@@ -94,24 +100,28 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
ctx->cso = cso;
/* disabled blending/masking */
- memset(&ctx->blend, 0, sizeof(ctx->blend));
- ctx->blend.rt[0].colormask = PIPE_MASK_RGBA;
-
- /* no-op depth/stencil/alpha */
- 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;
+ ctx->blend_write_color.rt[0].colormask = PIPE_MASK_RGBA;
+
+ /* depth stencil states */
+ ctx->dsa_write_depth.depth.enabled = 1;
+ ctx->dsa_write_depth.depth.writemask = 1;
+ ctx->dsa_write_depth.depth.func = PIPE_FUNC_ALWAYS;
+ ctx->dsa_write_stencil.stencil[0].enabled = 1;
+ ctx->dsa_write_stencil.stencil[0].func = PIPE_FUNC_ALWAYS;
+ ctx->dsa_write_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
+ ctx->dsa_write_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
+ ctx->dsa_write_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
+ ctx->dsa_write_stencil.stencil[0].valuemask = 0xff;
+ ctx->dsa_write_stencil.stencil[0].writemask = 0xff;
+ ctx->dsa_write_depthstencil.depth = ctx->dsa_write_depth.depth;
+ ctx->dsa_write_depthstencil.stencil[0] = ctx->dsa_write_stencil.stencil[0];
/* rasterizer */
- memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
ctx->rasterizer.cull_face = PIPE_FACE_NONE;
ctx->rasterizer.gl_rasterization_rules = 1;
ctx->rasterizer.depth_clip = 1;
/* samplers */
- 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;
@@ -120,7 +130,6 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
ctx->sampler.mag_img_filter = 0; /* set later */
/* vertex elements state */
- memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2);
for (i = 0; i < 2; i++) {
ctx->velem[i].src_offset = i * 4 * sizeof(float);
ctx->velem[i].instance_divisor = 0;
@@ -142,6 +151,9 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
else
ctx->internal_target = PIPE_TEXTURE_RECT;
+ ctx->has_stencil_export =
+ pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
+
return ctx;
}
@@ -153,17 +165,29 @@ void
util_destroy_blit(struct blit_state *ctx)
{
struct pipe_context *pipe = ctx->pipe;
- unsigned i;
+ unsigned i, j;
if (ctx->vs)
pipe->delete_vs_state(pipe, ctx->vs);
- for (i = 0; i < Elements(ctx->fs); i++)
- if (ctx->fs[i])
- pipe->delete_fs_state(pipe, ctx->fs[i]);
+ for (i = 0; i < Elements(ctx->fs); i++) {
+ for (j = 0; j < Elements(ctx->fs[i]); j++) {
+ if (ctx->fs[i][j])
+ pipe->delete_fs_state(pipe, ctx->fs[i][j]);
+ }
+ }
- if (ctx->fs_depth)
- pipe->delete_fs_state(pipe, ctx->fs_depth);
+ for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) {
+ if (ctx->fs_depthstencil[i]) {
+ pipe->delete_fs_state(pipe, ctx->fs_depthstencil[i]);
+ }
+ if (ctx->fs_depth[i]) {
+ pipe->delete_fs_state(pipe, ctx->fs_depth[i]);
+ }
+ if (ctx->fs_stencil[i]) {
+ pipe->delete_fs_state(pipe, ctx->fs_stencil[i]);
+ }
+ }
pipe_resource_reference(&ctx->vbuf, NULL);
@@ -175,30 +199,76 @@ util_destroy_blit(struct blit_state *ctx)
* Helper function to set the fragment shaders.
*/
static INLINE void
-set_fragment_shader(struct blit_state *ctx, uint writemask)
+set_fragment_shader(struct blit_state *ctx, uint writemask,
+ enum pipe_texture_target pipe_tex)
{
- if (!ctx->fs[writemask])
- ctx->fs[writemask] =
- util_make_fragment_tex_shader_writemask(ctx->pipe, TGSI_TEXTURE_2D,
+ if (!ctx->fs[pipe_tex][writemask]) {
+ unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex);
+
+ ctx->fs[pipe_tex][writemask] =
+ util_make_fragment_tex_shader_writemask(ctx->pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR,
writemask);
+ }
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][writemask]);
}
/**
- * Helper function to set the depthwrite shader.
+ * Helper function to set the shader which writes depth and stencil.
*/
static INLINE void
-set_depth_fragment_shader(struct blit_state *ctx)
+set_depthstencil_fragment_shader(struct blit_state *ctx,
+ enum pipe_texture_target pipe_tex)
{
- if (!ctx->fs_depth)
- ctx->fs_depth =
- util_make_fragment_tex_shader_writedepth(ctx->pipe, TGSI_TEXTURE_2D,
+ if (!ctx->fs_depthstencil[pipe_tex]) {
+ unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex);
+
+ ctx->fs_depthstencil[pipe_tex] =
+ util_make_fragment_tex_shader_writedepthstencil(ctx->pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR);
+ }
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth);
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depthstencil[pipe_tex]);
+}
+
+
+/**
+ * Helper function to set the shader which writes depth.
+ */
+static INLINE void
+set_depth_fragment_shader(struct blit_state *ctx,
+ enum pipe_texture_target pipe_tex)
+{
+ if (!ctx->fs_depth[pipe_tex]) {
+ unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex);
+
+ ctx->fs_depth[pipe_tex] =
+ util_make_fragment_tex_shader_writedepth(ctx->pipe, tgsi_tex,
+ TGSI_INTERPOLATE_LINEAR);
+ }
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth[pipe_tex]);
+}
+
+
+/**
+ * Helper function to set the shader which writes stencil.
+ */
+static INLINE void
+set_stencil_fragment_shader(struct blit_state *ctx,
+ enum pipe_texture_target pipe_tex)
+{
+ if (!ctx->fs_stencil[pipe_tex]) {
+ unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex);
+
+ ctx->fs_stencil[pipe_tex] =
+ util_make_fragment_tex_shader_writestencil(ctx->pipe, tgsi_tex,
+ TGSI_INTERPOLATE_LINEAR);
+ }
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs_stencil[pipe_tex]);
}
@@ -350,20 +420,19 @@ formats_compatible(enum pipe_format src_format,
* \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 stencil.
*/
void
-util_blit_pixels_writemask(struct blit_state *ctx,
- struct pipe_resource *src_tex,
- unsigned src_level,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- int srcZ0,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter,
- uint writemask)
+util_blit_pixels(struct blit_state *ctx,
+ struct pipe_resource *src_tex,
+ unsigned src_level,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ int srcZ0,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter,
+ uint writemask, uint zs_writemask)
{
struct pipe_context *pipe = ctx->pipe;
struct pipe_screen *screen = pipe->screen;
@@ -375,9 +444,12 @@ util_blit_pixels_writemask(struct blit_state *ctx,
const int srcW = abs(srcX1 - srcX0);
const int srcH = abs(srcY1 - srcY0);
unsigned offset;
- boolean overlap, dst_is_depth;
+ boolean overlap;
float s0, t0, s1, t1;
boolean normalized;
+ boolean is_stencil, is_depth, blit_depth, blit_stencil;
+ const struct util_format_description *src_desc =
+ util_format_description(src_tex->format);
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
@@ -394,12 +466,24 @@ util_blit_pixels_writemask(struct blit_state *ctx,
src_format = util_format_linear(src_tex->format);
dst_format = util_format_linear(dst->format);
+ /* See whether we will blit depth or stencil. */
+ is_depth = util_format_has_depth(src_desc);
+ is_stencil = util_format_has_stencil(src_desc);
+
+ blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z);
+ blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL);
+
+ assert((writemask && !zs_writemask && !is_depth && !is_stencil) ||
+ (!writemask && (blit_depth || blit_stencil)));
+
/*
* Check for simple case: no format conversion, no flipping, no stretching,
* no overlapping.
* Filter mode should not matter since there's no stretching.
*/
if (formats_compatible(src_format, dst_format) &&
+ is_stencil == blit_stencil &&
+ is_depth == blit_depth &&
srcX0 < srcX1 &&
dstX0 < dstX1 &&
srcY0 < srcY1 &&
@@ -422,6 +506,17 @@ util_blit_pixels_writemask(struct blit_state *ctx,
return;
}
+ /* It's a mistake to call this function with a stencil format and
+ * without shader stencil export. We don't do software fallbacks here.
+ * Ignore stencil and only copy depth.
+ */
+ if (blit_stencil && !ctx->has_stencil_export) {
+ blit_stencil = FALSE;
+
+ if (!blit_depth)
+ return;
+ }
+
if (dst_format == dst->format) {
dst_surface = dst;
} else {
@@ -430,20 +525,11 @@ util_blit_pixels_writemask(struct blit_state *ctx,
dst_surface = pipe->create_surface(pipe, dst->texture, &templ);
}
- /* Create a temporary texture when src and dest alias or when src
- * is anything other than a 2d texture.
- * XXX should just use appropriate shader to access 1d / 3d slice / cube face,
- * much like the u_blitter code does (should be pretty trivial).
- *
- * This can still be improved upon.
+ /* Create a temporary texture when src and dest alias.
*/
- if ((src_tex == dst_surface->texture &&
+ if (src_tex == dst_surface->texture &&
dst_surface->u.tex.level == src_level &&
- dst_surface->u.tex.first_layer == srcZ0) ||
- (src_tex->target != PIPE_TEXTURE_2D &&
- src_tex->target != PIPE_TEXTURE_2D &&
- src_tex->target != PIPE_TEXTURE_RECT))
- {
+ dst_surface->u.tex.first_layer == srcZ0) {
/* Make a temporary texture which contains a copy of the source pixels.
* Then we'll sample from the temporary texture.
*/
@@ -509,6 +595,11 @@ util_blit_pixels_writemask(struct blit_state *ctx,
}
u_sampler_view_default_template(&sv_templ, tex, tex->format);
+ if (!blit_depth && blit_stencil) {
+ /* set a stencil-only format, e.g. Z24S8 --> X24S8 */
+ sv_templ.format = util_format_stencil_only(tex->format);
+ assert(sv_templ.format != PIPE_FORMAT_NONE);
+ }
sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ);
if (!sampler_view) {
@@ -520,6 +611,11 @@ util_blit_pixels_writemask(struct blit_state *ctx,
else {
/* Directly sample from the source resource/texture */
u_sampler_view_default_template(&sv_templ, src_tex, src_format);
+ if (!blit_depth && blit_stencil) {
+ /* set a stencil-only format, e.g. Z24S8 --> X24S8 */
+ sv_templ.format = util_format_stencil_only(src_format);
+ assert(sv_templ.format != PIPE_FORMAT_NONE);
+ }
sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ);
if (!sampler_view) {
@@ -540,15 +636,14 @@ 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));
+ assert(screen->is_format_supported(screen, sampler_view->format,
+ ctx->internal_target, sampler_view->texture->nr_samples,
+ PIPE_BIND_SAMPLER_VIEW));
assert(screen->is_format_supported(screen, dst_format, ctx->internal_target,
- dst_surface->texture->nr_samples,
- dst_is_depth ? PIPE_BIND_DEPTH_STENCIL :
- PIPE_BIND_RENDER_TARGET));
+ dst_surface->texture->nr_samples,
+ is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL :
+ PIPE_BIND_RENDER_TARGET));
+
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_depth_stencil_alpha(ctx->cso);
@@ -565,23 +660,76 @@ util_blit_pixels_writemask(struct blit_state *ctx,
cso_save_vertex_buffers(ctx->cso);
/* set misc state we care about */
- cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso,
- dst_is_depth ? &ctx->depthstencil_write :
- &ctx->depthstencil_keep);
+ if (writemask)
+ cso_set_blend(ctx->cso, &ctx->blend_write_color);
+ else
+ cso_set_blend(ctx->cso, &ctx->blend_keep_color);
+
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
cso_set_stream_outputs(ctx->cso, 0, NULL, 0);
- /* sampler */
+ /* default sampler state */
ctx->sampler.normalized_coords = normalized;
ctx->sampler.min_img_filter = filter;
ctx->sampler.mag_img_filter = filter;
ctx->sampler.min_lod = src_level;
ctx->sampler.max_lod = src_level;
- cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+
+ /* Depth stencil state, fragment shader and sampler setup depending on what
+ * we blit.
+ */
+ if (blit_depth && blit_stencil) {
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ /* don't filter stencil */
+ ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ cso_single_sampler(ctx->cso, 1, &ctx->sampler);
+
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depthstencil);
+ set_depthstencil_fragment_shader(ctx, sampler_view->texture->target);
+ }
+ else if (blit_depth) {
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depth);
+ set_depth_fragment_shader(ctx, sampler_view->texture->target);
+ }
+ else if (blit_stencil) {
+ /* don't filter stencil */
+ ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_stencil);
+ set_stencil_fragment_shader(ctx, sampler_view->texture->target);
+ }
+ else { /* color */
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil);
+ set_fragment_shader(ctx, writemask, sampler_view->texture->target);
+ }
cso_single_sampler_done(ctx->cso);
+ /* textures */
+ if (blit_depth && blit_stencil) {
+ /* Setup two samplers, one for depth and the other one for stencil. */
+ struct pipe_sampler_view templ;
+ struct pipe_sampler_view *views[2];
+
+ templ = *sampler_view;
+ templ.format = util_format_stencil_only(templ.format);
+ assert(templ.format != PIPE_FORMAT_NONE);
+
+ views[0] = sampler_view;
+ views[1] = pipe->create_sampler_view(pipe, views[0]->texture, &templ);
+ cso_set_fragment_sampler_views(ctx->cso, 2, views);
+
+ pipe_sampler_view_reference(&views[1], NULL);
+ }
+ else {
+ cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
+ }
+
/* viewport */
ctx->viewport.scale[0] = 0.5f * dst_surface->width;
ctx->viewport.scale[1] = 0.5f * dst_surface->height;
@@ -593,15 +741,6 @@ util_blit_pixels_writemask(struct blit_state *ctx,
ctx->viewport.translate[3] = 0.0f;
cso_set_viewport(ctx->cso, &ctx->viewport);
- /* texture */
- cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
-
- /* shaders */
- if (dst_is_depth) {
- set_depth_fragment_shader(ctx);
- } else {
- set_fragment_shader(ctx, writemask);
- }
set_vertex_shader(ctx);
cso_set_geometry_shader_handle(ctx->cso, NULL);
@@ -609,7 +748,7 @@ util_blit_pixels_writemask(struct blit_state *ctx,
memset(&fb, 0, sizeof(fb));
fb.width = dst_surface->width;
fb.height = dst_surface->height;
- if (dst_is_depth) {
+ if (blit_depth || blit_stencil) {
fb.zsbuf = dst_surface;
} else {
fb.nr_cbufs = 1;
@@ -655,31 +794,6 @@ util_blit_pixels_writemask(struct blit_state *ctx,
}
-void
-util_blit_pixels(struct blit_state *ctx,
- struct pipe_resource *src_tex,
- unsigned src_level,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- int srcZ,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter )
-{
- util_blit_pixels_writemask( ctx, src_tex,
- src_level,
- srcX0, srcY0,
- srcX1, srcY1,
- srcZ,
- dst,
- dstX0, dstY0,
- dstX1, dstY1,
- z, filter,
- TGSI_WRITEMASK_XYZW );
-}
-
-
/**
* Copy pixel block from src texture to dst surface.
* The sampler view's first_level field indicates the source
@@ -747,8 +861,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
cso_save_vertex_buffers(ctx->cso);
/* set misc state we care about */
- cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep);
+ cso_set_blend(ctx->cso, &ctx->blend_write_color);
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
cso_set_stream_outputs(ctx->cso, 0, NULL, 0);
@@ -775,7 +889,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
cso_set_fragment_sampler_views(ctx->cso, 1, &src_sampler_view);
/* shaders */
- set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW);
+ set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW,
+ src_sampler_view->texture->target);
set_vertex_shader(ctx);
cso_set_geometry_shader_handle(ctx->cso, NULL);