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-rw-r--r--src/mesa/pipe/softpipe/sp_context.c3
-rw-r--r--src/mesa/pipe/softpipe/sp_context.h1
-rw-r--r--src/mesa/pipe/softpipe/sp_quad.c6
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_depth_test.c79
-rw-r--r--src/mesa/pipe/softpipe/sp_state.h6
-rw-r--r--src/mesa/pipe/softpipe/sp_state_blend.c26
-rw-r--r--src/mesa/pipe/softpipe/sp_state_derived.c2
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.h5
8 files changed, 113 insertions, 15 deletions
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 593be0e132..f27d2dd8bc 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -65,9 +65,11 @@ struct pipe_context *softpipe_create( void )
softpipe->pipe.destroy = softpipe_destroy;
softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
+ softpipe->pipe.set_alpha_test_state = softpipe_set_alpha_test_state;
softpipe->pipe.set_blend_state = softpipe_set_blend_state;
softpipe->pipe.set_clip_state = softpipe_set_clip_state;
softpipe->pipe.set_clear_color_state = softpipe_set_clear_color_state;
+ softpipe->pipe.set_depth_state = softpipe_set_depth_test_state;
softpipe->pipe.set_point_state = softpipe_set_point_state;
softpipe->pipe.set_viewport = softpipe_set_viewport;
softpipe->pipe.set_setup_state = softpipe_set_setup_state;
@@ -87,6 +89,7 @@ struct pipe_context *softpipe_create( void )
softpipe->prim.cull = prim_cull( softpipe );
softpipe->quad.blend = sp_quad_blend_stage(softpipe);
+ softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
softpipe->quad.shade = sp_quad_shade_stage(softpipe);
softpipe->quad.output = sp_quad_output_stage(softpipe);
diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h
index ebe39fa8bf..d01fc38b81 100644
--- a/src/mesa/pipe/softpipe/sp_context.h
+++ b/src/mesa/pipe/softpipe/sp_context.h
@@ -80,6 +80,7 @@ struct softpipe_context {
struct pipe_alpha_test_state alpha_test;
struct pipe_clip_state clip;
struct pipe_clear_color_state clear_color;
+ struct pipe_depth_state depth_test;
struct pipe_point_state point;
struct pipe_scissor_rect scissor;
struct pipe_poly_stipple poly_stipple;
diff --git a/src/mesa/pipe/softpipe/sp_quad.c b/src/mesa/pipe/softpipe/sp_quad.c
index 168872c64d..32085ab8c4 100644
--- a/src/mesa/pipe/softpipe/sp_quad.c
+++ b/src/mesa/pipe/softpipe/sp_quad.c
@@ -7,6 +7,7 @@
void
sp_build_quad_pipeline(struct softpipe_context *sp)
{
+ /* build up the pipeline in reverse order... */
sp->quad.first = sp->quad.output;
@@ -15,6 +16,11 @@ sp_build_quad_pipeline(struct softpipe_context *sp)
sp->quad.first = sp->quad.blend;
}
+ if (sp->depth_test.enabled) {
+ sp->quad.depth_test->next = sp->quad.first;
+ sp->quad.first = sp->quad.depth_test;
+ }
+
/* XXX always enable shader? */
if (1) {
sp->quad.shade->next = sp->quad.first;
diff --git a/src/mesa/pipe/softpipe/sp_quad_depth_test.c b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
index 756141db17..76a6ee1bb6 100644
--- a/src/mesa/pipe/softpipe/sp_quad_depth_test.c
+++ b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
@@ -32,29 +32,80 @@
#include "sp_headers.h"
#include "sp_surface.h"
#include "sp_quad.h"
-
+#include "pipe/p_defines.h"
static void
depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
{
-#if 0
struct softpipe_context *softpipe = qs->softpipe;
- GLfloat dest[4][QUAD_SIZE], result[4][QUAD_SIZE];
- GLuint i;
-
- /* XXX we're also looping in output_quad() !?! */
-
- for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) {
- struct softpipe_surface *sps
- = softpipe_surface(softpipe->framebuffer.cbufs[i]);
-
- sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
+ GLuint j;
+ struct softpipe_surface *sps = softpipe_surface(softpipe->framebuffer.zbuf);
+ GLfloat zzzz[QUAD_SIZE]; /**< Z for four pixels in quad */
- /* XXX do blend here */
+#if 0
+ assert(sps); /* shouldn't get here if there's no zbuffer */
+#else
+ if (!sps)
+ return;
+#endif
+ /* XXX get zquad from zbuffer */
+ sps->read_quad_z(sps, quad->x0, quad->y0, zzzz);
+
+ switch (softpipe->depth_test.func) {
+ case PIPE_FUNC_NEVER:
+ quad->mask = 0x0;
+ break;
+ case PIPE_FUNC_LESS:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (quad->mask & (1 << j)) {
+ if (quad->outputs.depth[j] >= zzzz[j]) {
+ /* fail */
+ quad->mask &= (1 << j);
+ }
+ else if (softpipe->depth_test.writemask) {
+ /* pass, and update Z buffer */
+ zzzz[j] = quad->outputs.depth[j];
+ }
+ }
+ }
+ break;
+ case PIPE_FUNC_EQUAL:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (quad->mask & (1 << j)) {
+ if (quad->outputs.depth[j] != zzzz[j]) {
+ /* fail */
+ quad->mask &= (1 << j);
+ }
+ else if (softpipe->depth_test.writemask) {
+ /* pass, and update Z buffer */
+ zzzz[j] = quad->outputs.depth[j];
+ }
+ }
+ }
+ break;
+ case PIPE_FUNC_LEQUAL:
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (quad->mask & (1 << j)) {
+ if (quad->outputs.depth[j] > zzzz[j]) {
+ /* fail */
+ quad->mask &= (1 << j);
+ }
+ else if (softpipe->depth_test.writemask) {
+ /* pass, and update Z buffer */
+ zzzz[j] = quad->outputs.depth[j];
+ }
+ }
+ }
+ break;
+ /* XXX fill in remaining cases */
+ default:
+ abort();
}
-#endif
+
+ /* XXX write updated zquad to zbuffer */
+ sps->write_quad_z(sps, quad->x0, quad->y0, zzzz);
qs->next->run(qs->next, quad);
}
diff --git a/src/mesa/pipe/softpipe/sp_state.h b/src/mesa/pipe/softpipe/sp_state.h
index 5a657c4a8f..6253b9c9e5 100644
--- a/src/mesa/pipe/softpipe/sp_state.h
+++ b/src/mesa/pipe/softpipe/sp_state.h
@@ -38,6 +38,9 @@
void softpipe_set_framebuffer_state( struct pipe_context *,
const struct pipe_framebuffer_state * );
+void softpipe_set_alpha_test_state( struct pipe_context *,
+ const struct pipe_alpha_test_state * );
+
void softpipe_set_blend_state( struct pipe_context *,
const struct pipe_blend_state * );
@@ -47,6 +50,9 @@ void softpipe_set_clear_color_state( struct pipe_context *,
void softpipe_set_clip_state( struct pipe_context *,
const struct pipe_clip_state * );
+void softpipe_set_depth_test_state( struct pipe_context *,
+ const struct pipe_depth_state * );
+
void softpipe_set_viewport( struct pipe_context *,
const struct pipe_viewport * );
diff --git a/src/mesa/pipe/softpipe/sp_state_blend.c b/src/mesa/pipe/softpipe/sp_state_blend.c
index 1fd7a44105..c364d8a319 100644
--- a/src/mesa/pipe/softpipe/sp_state_blend.c
+++ b/src/mesa/pipe/softpipe/sp_state_blend.c
@@ -45,3 +45,29 @@ void softpipe_set_blend_state( struct pipe_context *pipe,
softpipe->dirty |= G_NEW_BLEND;
}
+
+/** XXX move someday? Or consolidate all these simple state setters
+ * into one file.
+ */
+void
+softpipe_set_depth_test_state(struct pipe_context *pipe,
+ const struct pipe_depth_state *depth)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ softpipe->depth_test = *depth;
+
+ softpipe->dirty |= G_NEW_DEPTH_TEST;
+}
+
+void
+softpipe_set_alpha_test_state(struct pipe_context *pipe,
+ const struct pipe_alpha_test_state *alpha)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+
+ softpipe->alpha_test = *alpha;
+
+ softpipe->dirty |= G_NEW_ALPHA_TEST;
+}
+
diff --git a/src/mesa/pipe/softpipe/sp_state_derived.c b/src/mesa/pipe/softpipe/sp_state_derived.c
index 8ab325b72d..5aee4be6b8 100644
--- a/src/mesa/pipe/softpipe/sp_state_derived.c
+++ b/src/mesa/pipe/softpipe/sp_state_derived.c
@@ -134,7 +134,7 @@ void softpipe_update_derived( struct softpipe_context *softpipe )
if (softpipe->dirty & (G_NEW_SETUP | G_NEW_FS))
calculate_vertex_layout( softpipe );
- if (softpipe->dirty & (G_NEW_BLEND | G_NEW_FS))
+ if (softpipe->dirty & (G_NEW_BLEND | G_NEW_DEPTH_TEST | G_NEW_ALPHA_TEST | G_NEW_FS))
sp_build_quad_pipeline(softpipe);
softpipe->dirty = 0;
diff --git a/src/mesa/pipe/softpipe/sp_surface.h b/src/mesa/pipe/softpipe/sp_surface.h
index fc9557dee3..05b125d17b 100644
--- a/src/mesa/pipe/softpipe/sp_surface.h
+++ b/src/mesa/pipe/softpipe/sp_surface.h
@@ -77,6 +77,11 @@ struct softpipe_surface {
void (*write_mono_row_ub)( struct softpipe_surface *,
GLuint count, GLint x, GLint y,
GLubyte rgba[NUM_CHANNELS] );
+
+ void (*read_quad_z)(struct softpipe_surface *,
+ GLint x, GLint y, GLfloat zzzz[QUAD_SIZE]);
+ void (*write_quad_z)(struct softpipe_surface *,
+ GLint x, GLint y, const GLfloat zzzz[QUAD_SIZE]);
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 06:09:10 +0000