summaryrefslogtreecommitdiffstats
path: root/src/mesa/shader/shader_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/shader/shader_api.c')
-rw-r--r--src/mesa/shader/shader_api.c62
1 files changed, 33 insertions, 29 deletions
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index a86ef56c654..decdec53ed2 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.2
*
* Copyright (C) 2004-2008 Brian Paul All Rights Reserved.
*
@@ -497,10 +497,14 @@ _mesa_get_attrib_location(GLcontext *ctx, GLuint program,
if (!name)
return -1;
- if (shProg->Attributes) {
- GLint i = _mesa_lookup_parameter_index(shProg->Attributes, -1, name);
- if (i >= 0) {
- return shProg->Attributes->Parameters[i].StateIndexes[0];
+ if (shProg->VertexProgram) {
+ const struct gl_program_parameter_list *attribs =
+ shProg->VertexProgram->Base.Attributes;
+ if (attribs) {
+ GLint i = _mesa_lookup_parameter_index(attribs, -1, name);
+ if (i >= 0) {
+ return attribs->Parameters[i].StateIndexes[0];
+ }
}
}
return -1;
@@ -513,7 +517,7 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
{
struct gl_shader_program *shProg;
const GLint size = -1; /* unknown size */
- GLint i, oldIndex;
+ GLint i;
GLenum datatype = GL_FLOAT_VEC4;
shProg = _mesa_lookup_shader_program_err(ctx, program,
@@ -536,14 +540,6 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
return;
}
- if (shProg->LinkStatus) {
- /* get current index/location for the attribute */
- oldIndex = _mesa_get_attrib_location(ctx, program, name);
- }
- else {
- oldIndex = -1;
- }
-
/* this will replace the current value if it's already in the list */
i = _mesa_add_attribute(shProg->Attributes, name, size, datatype, index);
if (i < 0) {
@@ -551,12 +547,10 @@ _mesa_bind_attrib_location(GLcontext *ctx, GLuint program, GLuint index,
return;
}
- if (shProg->VertexProgram && oldIndex >= 0 && oldIndex != index) {
- /* If the index changed, need to search/replace references to that attribute
- * in the vertex program.
- */
- _slang_remap_attribute(&shProg->VertexProgram->Base, oldIndex, index);
- }
+ /*
+ * Note that this attribute binding won't go into effect until
+ * glLinkProgram is called again.
+ */
}
@@ -798,24 +792,29 @@ _mesa_get_active_attrib(GLcontext *ctx, GLuint program, GLuint index,
GLsizei maxLength, GLsizei *length, GLint *size,
GLenum *type, GLchar *nameOut)
{
+ const struct gl_program_parameter_list *attribs = NULL;
struct gl_shader_program *shProg;
shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveAttrib");
if (!shProg)
return;
- if (!shProg->Attributes || index >= shProg->Attributes->NumParameters) {
+ if (shProg->VertexProgram)
+ attribs = shProg->VertexProgram->Base.Attributes;
+
+ if (!attribs || index >= attribs->NumParameters) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveAttrib(index)");
return;
}
- copy_string(nameOut, maxLength, length,
- shProg->Attributes->Parameters[index].Name);
+ copy_string(nameOut, maxLength, length, attribs->Parameters[index].Name);
+
if (size)
- *size = shProg->Attributes->Parameters[index].Size
- / sizeof_glsl_type(shProg->Attributes->Parameters[index].DataType);
+ *size = attribs->Parameters[index].Size
+ / sizeof_glsl_type(attribs->Parameters[index].DataType);
+
if (type)
- *type = shProg->Attributes->Parameters[index].DataType;
+ *type = attribs->Parameters[index].DataType;
}
@@ -937,6 +936,7 @@ static void
_mesa_get_programiv(GLcontext *ctx, GLuint program,
GLenum pname, GLint *params)
{
+ const struct gl_program_parameter_list *attribs;
struct gl_shader_program *shProg
= _mesa_lookup_shader_program(ctx, program);
@@ -945,6 +945,11 @@ _mesa_get_programiv(GLcontext *ctx, GLuint program,
return;
}
+ if (shProg->VertexProgram)
+ attribs = shProg->VertexProgram->Base.Attributes;
+ else
+ attribs = NULL;
+
switch (pname) {
case GL_DELETE_STATUS:
*params = shProg->DeletePending;
@@ -962,11 +967,10 @@ _mesa_get_programiv(GLcontext *ctx, GLuint program,
*params = shProg->NumShaders;
break;
case GL_ACTIVE_ATTRIBUTES:
- *params = shProg->Attributes ? shProg->Attributes->NumParameters : 0;
+ *params = attribs ? attribs->NumParameters : 0;
break;
case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
- *params = _mesa_longest_parameter_name(shProg->Attributes,
- PROGRAM_INPUT) + 1;
+ *params = _mesa_longest_parameter_name(attribs, PROGRAM_INPUT) + 1;
break;
case GL_ACTIVE_UNIFORMS:
*params = shProg->Uniforms ? shProg->Uniforms->NumUniforms : 0;