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-rw-r--r--src/mesa/state_tracker/st_cb_drawpixels.c185
-rw-r--r--src/mesa/state_tracker/st_mesa_to_tgsi.c7
-rw-r--r--src/mesa/state_tracker/st_program.c9
-rw-r--r--src/mesa/state_tracker/st_texture.h14
4 files changed, 158 insertions, 57 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 7e5791775ac..74a95b92bd1 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -168,7 +168,7 @@ combined_drawpix_fragment_program(GLcontext *ctx)
* \return pointer to the Gallium driver fragment shader
*/
static void *
-make_fragment_shader_z(struct st_context *st)
+make_fragment_shader_z(struct st_context *st, GLboolean write_depth, GLboolean write_stencil)
{
GLcontext *ctx = st->ctx;
struct gl_program *p;
@@ -185,7 +185,8 @@ make_fragment_shader_z(struct st_context *st)
if (!p)
return NULL;
- p->NumInstructions = 3;
+ p->NumInstructions = write_depth ? 2 : 1;
+ p->NumInstructions += write_stencil ? 1 : 0;
p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
if (!p->Instructions) {
@@ -195,23 +196,29 @@ make_fragment_shader_z(struct st_context *st)
_mesa_init_instructions(p->Instructions, p->NumInstructions);
/* TEX result.depth, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_DEPTH;
- p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Z;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = 0;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
-
- /* MOV result.color, fragment.color */
- p->Instructions[ic].Opcode = OPCODE_MOV;
- p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
- p->Instructions[ic].DstReg.Index = FRAG_RESULT_COLOR;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_COL0;
- ic++;
+ if (write_depth) {
+ p->Instructions[ic].Opcode = OPCODE_TEX;
+ p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
+ p->Instructions[ic].DstReg.Index = FRAG_RESULT_DEPTH;
+ p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Z;
+ p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
+ p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
+ p->Instructions[ic].TexSrcUnit = 0;
+ p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
+ ic++;
+ }
+
+ if (write_stencil) {
+ p->Instructions[ic].Opcode = OPCODE_TEX;
+ p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT;
+ p->Instructions[ic].DstReg.Index = FRAG_RESULT_STENCIL;
+ p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Y;
+ p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
+ p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
+ p->Instructions[ic].TexSrcUnit = 1;
+ p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
+ ic++;
+ }
/* END; */
p->Instructions[ic++].Opcode = OPCODE_END;
@@ -219,9 +226,15 @@ make_fragment_shader_z(struct st_context *st)
assert(ic == p->NumInstructions);
p->InputsRead = FRAG_BIT_TEX0 | FRAG_BIT_COL0;
- p->OutputsWritten = (1 << FRAG_RESULT_COLOR) | (1 << FRAG_RESULT_DEPTH);
- p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */
-
+ p->OutputsWritten = 0;
+ if (write_depth)
+ p->OutputsWritten |= (1 << FRAG_RESULT_DEPTH);
+ if (write_stencil)
+ p->OutputsWritten |= (1 << FRAG_RESULT_STENCIL);
+
+ p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */
+ if (write_stencil)
+ p->SamplersUsed |= 1 << 1;
st->drawpix.z_shader = (struct st_fragment_program *) p;
st_translate_fragment_program(st, st->drawpix.z_shader);
@@ -498,18 +511,19 @@ static void
draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
GLsizei width, GLsizei height,
GLfloat zoomX, GLfloat zoomY,
- struct pipe_sampler_view *sv,
+ struct pipe_sampler_view **sv,
+ int num_sampler_view,
void *driver_vp,
void *driver_fp,
const GLfloat *color,
- GLboolean invertTex)
+ GLboolean invertTex, GLboolean write_depth, GLboolean write_stencil)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLfloat x0, y0, x1, y1;
GLsizei maxSize;
- boolean normalized = sv->texture->target != PIPE_TEXTURE_RECT;
+ boolean normalized = sv[0]->texture->target != PIPE_TEXTURE_RECT;
/* limit checks */
/* XXX if DrawPixels image is larger than max texture size, break
@@ -519,6 +533,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
assert(width <= maxSize);
assert(height <= maxSize);
+ cso_save_depth_stencil_alpha(cso);
cso_save_rasterizer(cso);
cso_save_viewport(cso);
cso_save_samplers(cso);
@@ -536,6 +551,24 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
cso_set_rasterizer(cso, &rasterizer);
}
+ if (write_depth || write_stencil)
+ {
+ struct pipe_depth_stencil_alpha_state dsa;
+ memset(&dsa, 0, sizeof(dsa));
+ if (write_depth) {
+ dsa.depth.enabled = 1;
+ dsa.depth.func = PIPE_FUNC_ALWAYS;
+ dsa.depth.writemask = 1;
+ }
+ if (write_stencil) {
+ dsa.stencil[0].enabled = 1;
+ dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
+ dsa.stencil[0].writemask = 0xff;
+ dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
+ }
+ cso_set_depth_stencil_alpha(cso, &dsa);
+ }
+
/* fragment shader state: TEX lookup program */
cso_set_fragment_shader_handle(cso, driver_fp);
@@ -556,7 +589,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
sampler.normalized_coords = normalized;
cso_single_sampler(cso, 0, &sampler);
- if (st->pixel_xfer.pixelmap_enabled) {
+ if (num_sampler_view > 1) {
cso_single_sampler(cso, 1, &sampler);
}
cso_single_sampler_done(cso);
@@ -581,15 +614,7 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
/* texture state: */
- if (st->pixel_xfer.pixelmap_enabled) {
- struct pipe_sampler_view *sampler_views[2];
- sampler_views[0] = sv;
- sampler_views[1] = st->pixel_xfer.pixelmap_sampler_view;
- cso_set_fragment_sampler_views(cso, 2, sampler_views);
- }
- else {
- cso_set_fragment_sampler_views(cso, 1, &sv);
- }
+ cso_set_fragment_sampler_views(cso, num_sampler_view, sv);
/* Compute Gallium window coords (y=0=top) with pixel zoom.
* Recall that these coords are transformed by the current
@@ -609,10 +634,11 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
z = z * 2.0 - 1.0;
draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
- normalized ? ((GLfloat) width / sv->texture->width0) : (GLfloat)width,
- normalized ? ((GLfloat) height / sv->texture->height0) : (GLfloat)height);
+ normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
+ normalized ? ((GLfloat) height / sv[0]->texture->height0) : (GLfloat)height);
/* restore state */
+ cso_restore_depth_stencil_alpha(cso);
cso_restore_rasterizer(cso);
cso_restore_viewport(cso);
cso_restore_samplers(cso);
@@ -780,12 +806,35 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
void *driver_vp, *driver_fp;
struct st_context *st = st_context(ctx);
const GLfloat *color;
-
- if (format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_STENCIL) {
- draw_stencil_pixels(ctx, x, y, width, height, format, type,
- unpack, pixels);
- return;
+ struct pipe_context *pipe = st->pipe;
+ GLboolean write_stencil = GL_FALSE, write_depth = GL_FALSE;
+ struct pipe_sampler_view *sv[2];
+ int num_sampler_view = 1;
+ enum pipe_format stencil_format = PIPE_FORMAT_NONE;
+
+ if (format == GL_DEPTH_STENCIL)
+ write_stencil = write_depth = GL_TRUE;
+ else if (format == GL_STENCIL_INDEX)
+ write_stencil = GL_TRUE;
+ else if (format == GL_DEPTH_COMPONENT)
+ write_depth = GL_TRUE;
+
+ if (write_stencil) {
+ enum pipe_format tex_format;
+ /* can we write to stencil if not fallback */
+ if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT))
+ goto stencil_fallback;
+
+ tex_format = st_choose_format(st->pipe->screen, base_format(format), PIPE_TEXTURE_2D,
+ 0, PIPE_BIND_SAMPLER_VIEW);
+ if (tex_format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
+ stencil_format = PIPE_FORMAT_X24S8_USCALED;
+ else if (tex_format == PIPE_FORMAT_S8_USCALED_Z24_UNORM)
+ stencil_format = PIPE_FORMAT_S8X24_USCALED;
+ else
+ stencil_format = PIPE_FORMAT_S8_USCALED;
+ if (stencil_format == PIPE_FORMAT_NONE)
+ goto stencil_fallback;
}
/* Mesa state should be up to date by now */
@@ -793,8 +842,8 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
st_validate_state(st);
- if (format == GL_DEPTH_COMPONENT) {
- driver_fp = make_fragment_shader_z(st);
+ if (write_depth || write_stencil) {
+ driver_fp = make_fragment_shader_z(st, write_depth, write_stencil);
driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
color = ctx->Current.RasterColor;
}
@@ -802,6 +851,10 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
driver_fp = combined_drawpix_fragment_program(ctx);
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
color = NULL;
+ if (st->pixel_xfer.pixelmap_enabled) {
+ sv[1] = st->pixel_xfer.pixelmap_sampler_view;
+ num_sampler_view++;
+ }
}
/* draw with textured quad */
@@ -809,20 +862,32 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
struct pipe_resource *pt
= make_texture(st, width, height, format, type, unpack, pixels);
if (pt) {
- struct pipe_sampler_view *sv = st_create_texture_sampler_view(st->pipe, pt);
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+
+ if (sv[0]) {
+ if (write_stencil) {
+ sv[1] = st_create_texture_sampler_view_format(st->pipe, pt, stencil_format);
+ num_sampler_view++;
+ }
- if (sv) {
draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
sv,
- driver_vp,
+ num_sampler_view,
+ driver_vp,
driver_fp,
- color, GL_FALSE);
- pipe_sampler_view_reference(&sv, NULL);
+ color, GL_FALSE, write_depth, write_stencil);
+ pipe_sampler_view_reference(&sv[0], NULL);
+ if (num_sampler_view > 1)
+ pipe_sampler_view_reference(&sv[1], NULL);
}
pipe_resource_reference(&pt, NULL);
}
}
+ return;
+stencil_fallback:
+ draw_stencil_pixels(ctx, x, y, width, height, format, type,
+ unpack, pixels);
}
@@ -945,7 +1010,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
struct st_renderbuffer *rbRead;
void *driver_vp, *driver_fp;
struct pipe_resource *pt;
- struct pipe_sampler_view *sv;
+ struct pipe_sampler_view *sv[2];
+ int num_sampler_view = 1;
GLfloat *color;
enum pipe_format srcFormat, texFormat;
GLboolean invertTex = GL_FALSE;
@@ -966,12 +1032,16 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
color = NULL;
driver_fp = combined_drawpix_fragment_program(ctx);
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
+ if (st->pixel_xfer.pixelmap_enabled) {
+ sv[1] = st->pixel_xfer.pixelmap_sampler_view;
+ num_sampler_view++;
+ }
}
else {
assert(type == GL_DEPTH);
rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
- driver_fp = make_fragment_shader_z(st);
+ driver_fp = make_fragment_shader_z(st, GL_TRUE, GL_FALSE);
driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
@@ -1031,8 +1101,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
if (!pt)
return;
- sv = st_create_texture_sampler_view(st->pipe, pt);
- if (!sv) {
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+ if (!sv[0]) {
pipe_resource_reference(&pt, NULL);
return;
}
@@ -1102,13 +1172,14 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
*/
draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2],
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
- sv,
+ sv,
+ num_sampler_view,
driver_vp,
driver_fp,
- color, invertTex);
+ color, invertTex, GL_FALSE, GL_FALSE);
pipe_resource_reference(&pt, NULL);
- pipe_sampler_view_reference(&sv, NULL);
+ pipe_sampler_view_reference(&sv[0], NULL);
}
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 0ed822b8c27..582ca6f1733 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -1002,6 +1002,13 @@ st_translate_mesa_program(
t->outputs[i] = ureg_writemask( t->outputs[i],
TGSI_WRITEMASK_Z );
break;
+ case TGSI_SEMANTIC_STENCIL:
+ t->outputs[i] = ureg_DECL_output( ureg,
+ TGSI_SEMANTIC_STENCIL, /* Stencil */
+ outputSemanticIndex[i] );
+ t->outputs[i] = ureg_writemask( t->outputs[i],
+ TGSI_WRITEMASK_Y );
+ break;
case TGSI_SEMANTIC_COLOR:
t->outputs[i] = ureg_DECL_output( ureg,
TGSI_SEMANTIC_COLOR,
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 18a7bbe0f90..733cdd0ac97 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -398,11 +398,20 @@ st_translate_fragment_program(struct st_context *st,
outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
}
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
+ fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
+ fs_output_semantic_index[fs_num_outputs] = 0;
+ outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
+ fs_num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
+ }
+
/* handle remaning outputs (color) */
for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
if (outputsWritten & BITFIELD64_BIT(attr)) {
switch (attr) {
case FRAG_RESULT_DEPTH:
+ case FRAG_RESULT_STENCIL:
/* handled above */
assert(0);
break;
diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h
index ed5d271597c..c78901c0360 100644
--- a/src/mesa/state_tracker/st_texture.h
+++ b/src/mesa/state_tracker/st_texture.h
@@ -134,6 +134,20 @@ st_create_texture_sampler_view(struct pipe_context *pipe,
static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view_format(struct pipe_context *pipe,
+ struct pipe_resource *texture,
+ enum pipe_format format)
+{
+ struct pipe_sampler_view templ;
+
+ u_sampler_view_default_template(&templ,
+ texture,
+ format);
+
+ return pipe->create_sampler_view(pipe, texture, &templ);
+}
+
+static INLINE struct pipe_sampler_view *
st_get_texture_sampler_view(struct st_texture_object *stObj,
struct pipe_context *pipe)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 12:29:24 +0000