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-rw-r--r--src/mesa/state_tracker/st_atom_shader.c11
-rw-r--r--src/mesa/state_tracker/st_draw.c64
-rw-r--r--src/mesa/state_tracker/st_mesa_to_tgsi.c13
-rw-r--r--src/mesa/state_tracker/st_program.c32
-rw-r--r--src/mesa/state_tracker/st_program.h2
5 files changed, 46 insertions, 76 deletions
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index 09baff875b..e209634c90 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -106,7 +106,16 @@ find_translated_vp(struct st_context *st,
/* Nothing in our key yet. This will change:
*/
memset(&key, 0, sizeof key);
- key.dummy = 0;
+
+ /* When this is true, we will add an extra input to the vertex
+ * shader translation (for edgeflags), an extra output with
+ * edgeflag semantics, and extend the vertex shader to pass through
+ * the input to the output. We'll need to use similar logic to set
+ * up the extra vertex_element input for edgeflags.
+ */
+ key.passthrough_edgeflags = (ctx->Polygon.FrontMode != GL_FILL ||
+ ctx->Polygon.BackMode != GL_FILL);
+
/* Do we need to throw away old translations after a change in the
* GL program string?
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index e13ae57a0e..773a3f17cd 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -217,59 +217,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
}
-/*
- * If edge flags are needed, setup an bitvector of flags and call
- * pipe->set_edgeflags().
- * XXX memleak: need to free the returned pointer at some point
- */
-static void *
-setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count,
- const struct gl_client_array *array)
-{
- struct pipe_context *pipe = ctx->st->pipe;
-
- if ((primMode == GL_TRIANGLES ||
- primMode == GL_QUADS ||
- primMode == GL_POLYGON) &&
- (ctx->Polygon.FrontMode != GL_FILL ||
- ctx->Polygon.BackMode != GL_FILL)) {
- /* need edge flags */
- GLint i;
- unsigned *vec;
- struct st_buffer_object *stobj = st_buffer_object(array->BufferObj);
- ubyte *map;
-
- if (!stobj || stobj->Base.Name == 0) {
- /* edge flags are not in a VBO */
- return NULL;
- }
-
- vec = (unsigned *) _mesa_calloc(sizeof(unsigned) * ((count + 31) / 32));
- if (!vec)
- return NULL;
-
- map = pipe_buffer_map(pipe->screen, stobj->buffer, PIPE_BUFFER_USAGE_CPU_READ);
- map = ADD_POINTERS(map, array->Ptr);
- for (i = 0; i < count; i++) {
- if (*((float *) map))
- vec[i/32] |= 1 << (i % 32);
-
- map += array->StrideB;
- }
-
- pipe_buffer_unmap(pipe->screen, stobj->buffer);
-
- pipe->set_edgeflags(pipe, vec);
-
- return vec;
- }
- else {
- /* edge flags not needed */
- pipe->set_edgeflags(pipe, NULL);
- return NULL;
- }
-}
/**
@@ -671,10 +619,6 @@ st_draw_vbo(GLcontext *ctx,
* through to driver & draw module. These interfaces still
* need a bit of work...
*/
- setup_edgeflags(ctx, prims[i].mode,
- prims[i].start + indexOffset, prims[i].count,
- arrays[VERT_ATTRIB_EDGEFLAG]);
-
pipe->draw_range_elements(pipe, indexBuf, indexSize,
min_index,
max_index,
@@ -683,10 +627,6 @@ st_draw_vbo(GLcontext *ctx,
}
else {
for (i = 0; i < nr_prims; i++) {
- setup_edgeflags(ctx, prims[i].mode,
- prims[i].start + indexOffset, prims[i].count,
- arrays[VERT_ATTRIB_EDGEFLAG]);
-
pipe->draw_elements(pipe, indexBuf, indexSize,
prims[i].mode,
prims[i].start + indexOffset, prims[i].count);
@@ -699,10 +639,6 @@ st_draw_vbo(GLcontext *ctx,
/* non-indexed */
GLuint i;
for (i = 0; i < nr_prims; i++) {
- setup_edgeflags(ctx, prims[i].mode,
- prims[i].start, prims[i].count,
- arrays[VERT_ATTRIB_EDGEFLAG]);
-
pipe->draw_arrays(pipe, prims[i].mode, prims[i].start, prims[i].count);
}
}
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 1611d53e2f..9fd670cac2 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -741,6 +741,7 @@ emit_face_var( struct st_translate *t,
const struct tgsi_token *
st_translate_mesa_program(
GLcontext *ctx,
+ struct ureg_program *ureg;
uint procType,
const struct gl_program *program,
GLuint numInputs,
@@ -754,7 +755,6 @@ st_translate_mesa_program(
const ubyte outputSemanticIndex[] )
{
struct st_translate translate, *t;
- struct ureg_program *ureg;
const struct tgsi_token *tokens = NULL;
unsigned i;
@@ -764,11 +764,7 @@ st_translate_mesa_program(
t->procType = procType;
t->inputMapping = inputMapping;
t->outputMapping = outputMapping;
- t->ureg = ureg_create( procType );
- if (t->ureg == NULL)
- return NULL;
-
- ureg = t->ureg;
+ t->ureg = ureg;
/*_mesa_print_program(program);*/
@@ -899,8 +895,7 @@ st_translate_mesa_program(
t->insn[t->labels[i].branch_target] );
}
- tokens = ureg_get_tokens( ureg, NULL );
- ureg_destroy( ureg );
+ return PIPE_OK;
out:
FREE(t->insn);
@@ -919,7 +914,7 @@ out:
debug_assert(0);
}
- return tokens;
+ return PIPE_ERROR_OUT_OF_MEMORY;
}
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 5c81a033f9..876d92539e 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -192,10 +192,16 @@ st_translate_vertex_program(struct st_context *st,
{
struct st_vp_varient *vpv = CALLOC_STRUCT(st_vp_varient);
struct pipe_context *pipe = st->pipe;
+ struct ureg_program *ureg;
- vpv->state.tokens =
+ ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
+ if (ureg == NULL)
+ return NULL;
+
+ error =
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_VERTEX,
+ ureg,
&stvp->Base.Base,
/* inputs */
stvp->num_inputs,
@@ -209,6 +215,20 @@ st_translate_vertex_program(struct st_context *st,
stvp->output_semantic_name,
stvp->output_semantic_index );
+ if (ret)
+ goto fail;
+
+ /* Edgeflags will be the last input:
+ */
+ if (key.passthrough_edgeflags) {
+ ureg_MOV( ureg,
+ ureg_DECL_output( ureg, TGSI_SEMANTIC_EDGEFLAG, 0 ),
+ ureg_DECL_next_vs_input(ureg));
+ }
+
+ tokens = ureg_get_tokens( ureg, NULL );
+ ureg_destroy( ureg );
+
vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->state);
if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {
@@ -222,6 +242,10 @@ st_translate_vertex_program(struct st_context *st,
}
return vpv;
+
+fail:
+ ureg_destroy( ureg );
+ return NULL;
}
@@ -243,6 +267,7 @@ st_translate_fragment_program(struct st_context *st,
GLuint interpMode[16]; /* XXX size? */
GLuint attr;
const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
+ struct ureg_program *ureg;
GLuint vslot = 0;
uint fs_num_inputs = 0;
@@ -377,6 +402,11 @@ st_translate_fragment_program(struct st_context *st,
if (!inputMapping)
inputMapping = defaultInputMapping;
+ ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
+ if (ureg == NULL)
+ return NULL;
+
+
stfp->state.tokens =
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_FRAGMENT,
diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h
index 88aadbd751..91392785e5 100644
--- a/src/mesa/state_tracker/st_program.h
+++ b/src/mesa/state_tracker/st_program.h
@@ -73,7 +73,7 @@ struct st_fragment_program
struct st_vp_varient_key
{
- char dummy; /* currently unused */
+ boolean passthrough_edgeflags;
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-03 04:26:18 +0000