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mesa: add support to query GL_TRANSFORM_FEEDBACK_BUFFER_INDEX

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Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Timothy Arceri
2016-03-10 15:57:19 +11:00
parent 51142e7705
commit 9e317271d7
4 changed files with 18 additions and 8 deletions
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15
src/compiler/glsl/link_varyings.cpp
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@@ -725,8 +725,9 @@ tfeedback_decl::get_num_outputs() const
bool
tfeedback_decl::store(struct gl_context *ctx, struct gl_shader_program *prog,
struct gl_transform_feedback_info *info,
unsigned buffer, const unsigned max_outputs,
bool *explicit_stride, bool has_xfb_qualifiers) const
unsigned buffer, unsigned buffer_index,
const unsigned max_outputs, bool *explicit_stride,
bool has_xfb_qualifiers) const
{
assert(!this->next_buffer_separator);
@@ -823,6 +824,7 @@ tfeedback_decl::store(struct gl_context *ctx, struct gl_shader_program *prog,
this->orig_name);
info->Varyings[info->NumVarying].Type = this->type;
info->Varyings[info->NumVarying].Size = this->size;
info->Varyings[info->NumVarying].BufferIndex = buffer_index;
info->NumVarying++;
return true;
@@ -976,8 +978,8 @@ store_tfeedback_info(struct gl_context *ctx, struct gl_shader_program *prog,
/* GL_SEPARATE_ATTRIBS */
for (unsigned i = 0; i < num_tfeedback_decls; ++i) {
if (!tfeedback_decls[i].store(ctx, prog, &prog->LinkedTransformFeedback,
num_buffers, num_outputs, NULL,
has_xfb_qualifiers))
num_buffers, num_buffers, num_outputs,
NULL, has_xfb_qualifiers))
return false;
buffers |= 1 << num_buffers;
@@ -1008,6 +1010,7 @@ store_tfeedback_info(struct gl_context *ctx, struct gl_shader_program *prog,
buffer != tfeedback_decls[i].get_buffer()) {
/* we have moved to the next buffer so reset stream id */
buffer_stream_id = -1;
num_buffers++;
}
if (tfeedback_decls[i].is_next_buffer_separator()) {
@@ -1036,11 +1039,11 @@ store_tfeedback_info(struct gl_context *ctx, struct gl_shader_program *prog,
} else {
buffer = num_buffers;
}
buffers |= 1 << num_buffers;
buffers |= 1 << buffer;
if (!tfeedback_decls[i].store(ctx, prog,
&prog->LinkedTransformFeedback,
num_buffers, num_outputs,
buffer, num_buffers, num_outputs,
explicit_stride, has_xfb_qualifiers))
return false;
}