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path: root/src/gallium/auxiliary/draw/draw_context.c
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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_context.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_context.c67
1 files changed, 55 insertions, 12 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index 937b093479..40f654643b 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -413,6 +413,42 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable )
}
+
+/**
+ * Allocate an extra vertex/geometry shader vertex attribute.
+ * This is used by some of the optional draw module stages such
+ * as wide_point which may need to allocate additional generic/texcoord
+ * attributes.
+ */
+int
+draw_alloc_extra_vertex_attrib(struct draw_context *draw,
+ uint semantic_name, uint semantic_index)
+{
+ const int num_outputs = draw_current_shader_outputs(draw);
+ const int n = draw->extra_shader_outputs.num;
+
+ assert(n < Elements(draw->extra_shader_outputs.semantic_name));
+
+ draw->extra_shader_outputs.semantic_name[n] = semantic_name;
+ draw->extra_shader_outputs.semantic_index[n] = semantic_index;
+ draw->extra_shader_outputs.slot[n] = num_outputs + n;
+ draw->extra_shader_outputs.num++;
+
+ return draw->extra_shader_outputs.slot[n];
+}
+
+
+/**
+ * Remove all extra vertex attributes that were allocated with
+ * draw_alloc_extra_vertex_attrib().
+ */
+void
+draw_remove_extra_vertex_attribs(struct draw_context *draw)
+{
+ draw->extra_shader_outputs.num = 0;
+}
+
+
/**
* Ask the draw module for the location/slot of the given vertex attribute in
* a post-transformed vertex.
@@ -446,12 +482,12 @@ draw_find_shader_output(const struct draw_context *draw,
return i;
}
- /* XXX there may be more than one extra vertex attrib.
- * For example, simulated gl_FragCoord and gl_PointCoord.
- */
- if (draw->extra_shader_outputs.semantic_name == semantic_name &&
- draw->extra_shader_outputs.semantic_index == semantic_index) {
- return draw->extra_shader_outputs.slot;
+ /* Search the extra vertex attributes */
+ for (i = 0; i < draw->extra_shader_outputs.num; i++) {
+ if (draw->extra_shader_outputs.semantic_name[i] == semantic_name &&
+ draw->extra_shader_outputs.semantic_index[i] == semantic_index) {
+ return draw->extra_shader_outputs.slot[i];
+ }
}
return 0;
@@ -470,16 +506,18 @@ draw_find_shader_output(const struct draw_context *draw,
uint
draw_num_shader_outputs(const struct draw_context *draw)
{
- uint count = draw->vs.vertex_shader->info.num_outputs;
+ uint count;
/* If a geometry shader is present, its outputs go to the
* driver, else the vertex shader's outputs.
*/
if (draw->gs.geometry_shader)
count = draw->gs.geometry_shader->info.num_outputs;
+ else
+ count = draw->vs.vertex_shader->info.num_outputs;
+
+ count += draw->extra_shader_outputs.num;
- if (draw->extra_shader_outputs.slot > 0)
- count++;
return count;
}
@@ -671,6 +709,11 @@ draw_set_samplers(struct draw_context *draw,
draw->samplers[i] = NULL;
draw->num_samplers = num;
+
+#ifdef HAVE_LLVM
+ if (draw->llvm)
+ draw_llvm_set_sampler_state(draw);
+#endif
}
void
@@ -678,9 +721,9 @@ draw_set_mapped_texture(struct draw_context *draw,
unsigned sampler_idx,
uint32_t width, uint32_t height, uint32_t depth,
uint32_t last_level,
- uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS],
- uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS],
- const void *data[DRAW_MAX_TEXTURE_LEVELS])
+ uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS],
+ uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS],
+ const void *data[PIPE_MAX_TEXTURE_LEVELS])
{
#ifdef HAVE_LLVM
if(draw->llvm)