}
void GLAPIENTRY
-_mesa_BindAttribLocationARB(GLhandleARB program, GLuint index,
+_mesa_BindAttribLocation(GLhandleARB program, GLuint index,
const GLcharARB *name)
{
GET_CURRENT_CONTEXT(ctx);
- const GLint size = -1; /* unknown size */
- GLint i;
- GLenum datatype = GL_FLOAT_VEC4;
-
struct gl_shader_program *const shProg =
_mesa_lookup_shader_program_err(ctx, program, "glBindAttribLocation");
if (!shProg)
}
void GLAPIENTRY
-_mesa_GetActiveAttribARB(GLhandleARB program, GLuint desired_index,
+_mesa_GetActiveAttrib(GLhandleARB program, GLuint desired_index,
GLsizei maxLength, GLsizei * length, GLint * size,
GLenum * type, GLcharARB * name)
{
if (var == NULL
|| var->mode != ir_var_in
- || var->location == -1
- || var->location < VERT_ATTRIB_GENERIC0)
+ || var->location == -1)
continue;
if (current_index == desired_index) {
}
GLint GLAPIENTRY
-_mesa_GetAttribLocationARB(GLhandleARB program, const GLcharARB * name)
+_mesa_GetAttribLocation(GLhandleARB program, const GLcharARB * name)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *const shProg =
if (var == NULL
|| var->mode != ir_var_in
- || var->location == -1
- || var->location < VERT_ATTRIB_GENERIC0)
+ || var->location == -1)
continue;
i++;
if (var == NULL
|| var->mode != ir_var_in
- || var->location == -1
- || var->location < VERT_ATTRIB_GENERIC0)
+ || var->location == -1)
continue;
const size_t len = strlen(var->name);
return longest;
}
+
+void GLAPIENTRY
+_mesa_BindFragDataLocation(GLuint program, GLuint colorNumber,
+ const GLchar *name)
+{
+ _mesa_BindFragDataLocationIndexed(program, colorNumber, 0, name);
+}
+
+void GLAPIENTRY
+_mesa_BindFragDataLocationIndexed(GLuint program, GLuint colorNumber,
+ GLuint index, const GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_shader_program *const shProg =
+ _mesa_lookup_shader_program_err(ctx, program, "glBindFragDataLocationIndexed");
+ if (!shProg)
+ return;
+
+ if (!name)
+ return;
+
+ if (strncmp(name, "gl_", 3) == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFragDataLocationIndexed(illegal name)");
+ return;
+ }
+
+ if (index > 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindFragDataLocationIndexed(index)");
+ return;
+ }
+
+ if (index == 0 && colorNumber >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindFragDataLocationIndexed(colorNumber)");
+ return;
+ }
+
+ if (index == 1 && colorNumber >= ctx->Const.MaxDualSourceDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindFragDataLocationIndexed(colorNumber)");
+ return;
+ }
+
+ /* Replace the current value if it's already in the list. Add
+ * FRAG_RESULT_DATA0 because that's how the linker differentiates
+ * between built-in attributes and user-defined attributes.
+ */
+ shProg->FragDataBindings->put(colorNumber + FRAG_RESULT_DATA0, name);
+ shProg->FragDataIndexBindings->put(index, name);
+ /*
+ * Note that this binding won't go into effect until
+ * glLinkProgram is called again.
+ */
+
+}
+
+GLint GLAPIENTRY
+_mesa_GetFragDataIndex(GLuint program, const GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_shader_program *const shProg =
+ _mesa_lookup_shader_program_err(ctx, program, "glGetFragDataIndex");
+
+ if (!shProg) {
+ return -1;
+ }
+
+ if (!shProg->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFragDataIndex(program not linked)");
+ return -1;
+ }
+
+ if (!name)
+ return -1;
+
+ if (strncmp(name, "gl_", 3) == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFragDataIndex(illegal name)");
+ return -1;
+ }
+
+ /* Not having a fragment shader is not an error.
+ */
+ if (shProg->_LinkedShaders[MESA_SHADER_FRAGMENT] == NULL)
+ return -1;
+
+ exec_list *ir = shProg->_LinkedShaders[MESA_SHADER_FRAGMENT]->ir;
+ foreach_list(node, ir) {
+ const ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ /* The extra check against FRAG_RESULT_DATA0 is because
+ * glGetFragDataLocation cannot be used on "conventional" attributes.
+ *
+ * From page 95 of the OpenGL 3.0 spec:
+ *
+ * "If name is not an active attribute, if name is a conventional
+ * attribute, or if an error occurs, -1 will be returned."
+ */
+ if (var == NULL
+ || var->mode != ir_var_out
+ || var->location == -1
+ || var->location < FRAG_RESULT_DATA0)
+ continue;
+
+ if (strcmp(var->name, name) == 0)
+ return var->index;
+ }
+
+ return -1;
+}
+
+GLint GLAPIENTRY
+_mesa_GetFragDataLocation(GLuint program, const GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_shader_program *const shProg =
+ _mesa_lookup_shader_program_err(ctx, program, "glGetFragDataLocation");
+
+ if (!shProg) {
+ return -1;
+ }
+
+ if (!shProg->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFragDataLocation(program not linked)");
+ return -1;
+ }
+
+ if (!name)
+ return -1;
+
+ if (strncmp(name, "gl_", 3) == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFragDataLocation(illegal name)");
+ return -1;
+ }
+
+ /* Not having a fragment shader is not an error.
+ */
+ if (shProg->_LinkedShaders[MESA_SHADER_FRAGMENT] == NULL)
+ return -1;
+
+ exec_list *ir = shProg->_LinkedShaders[MESA_SHADER_FRAGMENT]->ir;
+ foreach_list(node, ir) {
+ const ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ /* The extra check against FRAG_RESULT_DATA0 is because
+ * glGetFragDataLocation cannot be used on "conventional" attributes.
+ *
+ * From page 95 of the OpenGL 3.0 spec:
+ *
+ * "If name is not an active attribute, if name is a conventional
+ * attribute, or if an error occurs, -1 will be returned."
+ */
+ if (var == NULL
+ || var->mode != ir_var_out
+ || var->location == -1
+ || var->location < FRAG_RESULT_DATA0)
+ continue;
+
+ if (strcmp(var->name, name) == 0)
+ return var->location - FRAG_RESULT_DATA0;
+ }
+
+ return -1;
+}
projects / mesa.git / blobdiff