#include "glsl_symbol_table.h"
#include "ir.h"
#include "shaderobj.h"
+#include "program/hash_table.h"
+#include "../glsl/program.h"
extern "C" {
#include "shaderapi.h"
}
+void GLAPIENTRY
+_mesa_BindAttribLocation(GLhandleARB program, GLuint index,
+ const GLcharARB *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_shader_program *const shProg =
+ _mesa_lookup_shader_program_err(ctx, program, "glBindAttribLocation");
+ if (!shProg)
+ return;
+
+ if (!name)
+ return;
+
+ if (strncmp(name, "gl_", 3) == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindAttribLocation(illegal name)");
+ return;
+ }
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindAttribLocation(index)");
+ return;
+ }
+
+ /* Replace the current value if it's already in the list. Add
+ * VERT_ATTRIB_GENERIC0 because that's how the linker differentiates
+ * between built-in attributes and user-defined attributes.
+ */
+ shProg->AttributeBindings->put(index + VERT_ATTRIB_GENERIC0, name);
+
+ /*
+ * Note that this attribute binding won't go into effect until
+ * glLinkProgram is called again.
+ */
+}
+
+void GLAPIENTRY
+_mesa_GetActiveAttrib(GLhandleARB program, GLuint desired_index,
+ GLsizei maxLength, GLsizei * length, GLint * size,
+ GLenum * type, GLcharARB * name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_shader_program *shProg;
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveAttrib");
+ if (!shProg)
+ return;
+
+ if (!shProg->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetActiveAttrib(program not linked)");
+ return;
+ }
+
+ if (shProg->_LinkedShaders[MESA_SHADER_VERTEX] == NULL) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveAttrib(no vertex shader)");
+ return;
+ }
+
+ exec_list *const ir = shProg->_LinkedShaders[MESA_SHADER_VERTEX]->ir;
+ unsigned current_index = 0;
+
+ foreach_list(node, ir) {
+ const ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ if (var == NULL
+ || var->mode != ir_var_shader_in
+ || var->location == -1)
+ continue;
+
+ if (current_index == desired_index) {
+ _mesa_copy_string(name, maxLength, length, var->name);
+
+ if (size)
+ *size = (var->type->is_array()) ? var->type->length : 1;
+
+ if (type)
+ *type = var->type->gl_type;
+
+ return;
+ }
+
+ current_index++;
+ }
+
+ /* If the loop did not return early, the caller must have asked for
+ * an index that did not exit. Set an error.
+ */
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveAttrib(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 =
* attribute, or if an error occurs, -1 will be returned."
*/
if (var == NULL
- || var->mode != ir_var_in
+ || var->mode != ir_var_shader_in
|| var->location == -1
|| var->location < VERT_ATTRIB_GENERIC0)
continue;
return -1;
}
+
+
+unsigned
+_mesa_count_active_attribs(struct gl_shader_program *shProg)
+{
+ if (!shProg->LinkStatus
+ || shProg->_LinkedShaders[MESA_SHADER_VERTEX] == NULL) {
+ return 0;
+ }
+
+ exec_list *const ir = shProg->_LinkedShaders[MESA_SHADER_VERTEX]->ir;
+ unsigned i = 0;
+
+ foreach_list(node, ir) {
+ const ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ if (var == NULL
+ || var->mode != ir_var_shader_in
+ || var->location == -1)
+ continue;
+
+ i++;
+ }
+
+ return i;
+}
+
+
+size_t
+_mesa_longest_attribute_name_length(struct gl_shader_program *shProg)
+{
+ if (!shProg->LinkStatus
+ || shProg->_LinkedShaders[MESA_SHADER_VERTEX] == NULL) {
+ return 0;
+ }
+
+ exec_list *const ir = shProg->_LinkedShaders[MESA_SHADER_VERTEX]->ir;
+ size_t longest = 0;
+
+ foreach_list(node, ir) {
+ const ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ if (var == NULL
+ || var->mode != ir_var_shader_in
+ || var->location == -1)
+ continue;
+
+ const size_t len = strlen(var->name);
+ if (len >= longest)
+ longest = len + 1;
+ }
+
+ 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_shader_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_shader_out
+ || var->location == -1
+ || var->location < FRAG_RESULT_DATA0)
+ continue;
+
+ if (strcmp(var->name, name) == 0)
+ return var->location - FRAG_RESULT_DATA0;
+ }
+
+ return -1;
+}
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