aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/shader/arbprogram.c
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa/shader/arbprogram.c')
-rw-r--r--mesalib/src/mesa/shader/arbprogram.c1042
1 files changed, 1042 insertions, 0 deletions
diff --git a/mesalib/src/mesa/shader/arbprogram.c b/mesalib/src/mesa/shader/arbprogram.c
new file mode 100644
index 000000000..4d8cff070
--- /dev/null
+++ b/mesalib/src/mesa/shader/arbprogram.c
@@ -0,0 +1,1042 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.0
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file arbprogram.c
+ * ARB_vertex/fragment_program state management functions.
+ * \author Brian Paul
+ */
+
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "arbprogram.h"
+#include "arbprogparse.h"
+#include "program.h"
+
+
+
+/**
+ * Mixing ARB and NV vertex/fragment programs can be tricky.
+ * Note: GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV
+ * but, GL_FRAGMENT_PROGRAM_ARB != GL_FRAGMENT_PROGRAM_NV
+ * The two different fragment program targets are supposed to be compatible
+ * to some extent (see GL_ARB_fragment_program spec).
+ * This function does the compatibility check.
+ */
+static GLboolean
+compatible_program_targets(GLenum t1, GLenum t2)
+{
+ if (t1 == t2)
+ return GL_TRUE;
+ if (t1 == GL_FRAGMENT_PROGRAM_ARB && t2 == GL_FRAGMENT_PROGRAM_NV)
+ return GL_TRUE;
+ if (t1 == GL_FRAGMENT_PROGRAM_NV && t2 == GL_FRAGMENT_PROGRAM_ARB)
+ return GL_TRUE;
+ return GL_FALSE;
+}
+
+
+/**
+ * Bind a program (make it current)
+ * \note Called from the GL API dispatcher by both glBindProgramNV
+ * and glBindProgramARB.
+ */
+void GLAPIENTRY
+_mesa_BindProgram(GLenum target, GLuint id)
+{
+ struct gl_program *curProg, *newProg;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* Error-check target and get curProg */
+ if ((target == GL_VERTEX_PROGRAM_ARB) && /* == GL_VERTEX_PROGRAM_NV */
+ (ctx->Extensions.NV_vertex_program ||
+ ctx->Extensions.ARB_vertex_program)) {
+ curProg = &ctx->VertexProgram.Current->Base;
+ }
+ else if ((target == GL_FRAGMENT_PROGRAM_NV
+ && ctx->Extensions.NV_fragment_program) ||
+ (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program)) {
+ curProg = &ctx->FragmentProgram.Current->Base;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)");
+ return;
+ }
+
+ /*
+ * Get pointer to new program to bind.
+ * NOTE: binding to a non-existant program is not an error.
+ * That's supposed to be caught in glBegin.
+ */
+ if (id == 0) {
+ /* Bind a default program */
+ newProg = NULL;
+ if (target == GL_VERTEX_PROGRAM_ARB) /* == GL_VERTEX_PROGRAM_NV */
+ newProg = &ctx->Shared->DefaultVertexProgram->Base;
+ else
+ newProg = &ctx->Shared->DefaultFragmentProgram->Base;
+ }
+ else {
+ /* Bind a user program */
+ newProg = _mesa_lookup_program(ctx, id);
+ if (!newProg || newProg == &_mesa_DummyProgram) {
+ /* allocate a new program now */
+ newProg = ctx->Driver.NewProgram(ctx, target, id);
+ if (!newProg) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->Programs, id, newProg);
+ }
+ else if (!compatible_program_targets(newProg->Target, target)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindProgramNV/ARB(target mismatch)");
+ return;
+ }
+ }
+
+ /** All error checking is complete now **/
+
+ if (curProg->Id == id) {
+ /* binding same program - no change */
+ return;
+ }
+
+ /* signal new program (and its new constants) */
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+
+ /* bind newProg */
+ if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
+ (struct gl_vertex_program *) newProg);
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_NV ||
+ target == GL_FRAGMENT_PROGRAM_ARB) {
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
+ (struct gl_fragment_program *) newProg);
+ }
+
+ /* Never null pointers */
+ ASSERT(ctx->VertexProgram.Current);
+ ASSERT(ctx->FragmentProgram.Current);
+
+ if (ctx->Driver.BindProgram)
+ ctx->Driver.BindProgram(ctx, target, newProg);
+}
+
+
+/**
+ * Delete a list of programs.
+ * \note Not compiled into display lists.
+ * \note Called by both glDeleteProgramsNV and glDeleteProgramsARB.
+ */
+void GLAPIENTRY
+_mesa_DeletePrograms(GLsizei n, const GLuint *ids)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (n < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" );
+ return;
+ }
+
+ for (i = 0; i < n; i++) {
+ if (ids[i] != 0) {
+ struct gl_program *prog = _mesa_lookup_program(ctx, ids[i]);
+ if (prog == &_mesa_DummyProgram) {
+ _mesa_HashRemove(ctx->Shared->Programs, ids[i]);
+ }
+ else if (prog) {
+ /* Unbind program if necessary */
+ if (prog->Target == GL_VERTEX_PROGRAM_ARB || /* == GL_VERTEX_PROGRAM_NV */
+ prog->Target == GL_VERTEX_STATE_PROGRAM_NV) {
+ if (ctx->VertexProgram.Current &&
+ ctx->VertexProgram.Current->Base.Id == ids[i]) {
+ /* unbind this currently bound program */
+ _mesa_BindProgram(prog->Target, 0);
+ }
+ }
+ else if (prog->Target == GL_FRAGMENT_PROGRAM_NV ||
+ prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
+ if (ctx->FragmentProgram.Current &&
+ ctx->FragmentProgram.Current->Base.Id == ids[i]) {
+ /* unbind this currently bound program */
+ _mesa_BindProgram(prog->Target, 0);
+ }
+ }
+ else {
+ _mesa_problem(ctx, "bad target in glDeleteProgramsNV");
+ return;
+ }
+ /* The ID is immediately available for re-use now */
+ _mesa_HashRemove(ctx->Shared->Programs, ids[i]);
+ _mesa_reference_program(ctx, &prog, NULL);
+ }
+ }
+ }
+}
+
+
+/**
+ * Generate a list of new program identifiers.
+ * \note Not compiled into display lists.
+ * \note Called by both glGenProgramsNV and glGenProgramsARB.
+ */
+void GLAPIENTRY
+_mesa_GenPrograms(GLsizei n, GLuint *ids)
+{
+ GLuint first;
+ GLuint i;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenPrograms");
+ return;
+ }
+
+ if (!ids)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->Programs, n);
+
+ /* Insert pointer to dummy program as placeholder */
+ for (i = 0; i < (GLuint) n; i++) {
+ _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram);
+ }
+
+ /* Return the program names */
+ for (i = 0; i < (GLuint) n; i++) {
+ ids[i] = first + i;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_EnableVertexAttribArrayARB(GLuint index)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glEnableVertexAttribArrayARB(index)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_TRUE;
+ ctx->Array.ArrayObj->_Enabled |= _NEW_ARRAY_ATTRIB(index);
+ ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
+}
+
+
+void GLAPIENTRY
+_mesa_DisableVertexAttribArrayARB(GLuint index)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glEnableVertexAttribArrayARB(index)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_FALSE;
+ ctx->Array.ArrayObj->_Enabled &= ~_NEW_ARRAY_ATTRIB(index);
+ ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
+{
+ GLfloat fparams[4];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ _mesa_GetVertexAttribfvARB(index, pname, fparams);
+ if (ctx->ErrorValue == GL_NO_ERROR) {
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ COPY_4V(params, fparams);
+ }
+ else {
+ params[0] = fparams[0];
+ }
+ }
+}
+
+
+/**
+ * Return info for a generic vertex attribute array (no alias with
+ * legacy vertex attributes (pos, normal, color, etc)).
+ */
+void GLAPIENTRY
+_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
+{
+ const struct gl_client_array *array;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_VERTEX_GENERIC_ATTRIBS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribfvARB(index)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ array = &ctx->Array.ArrayObj->VertexAttrib[index];
+
+ switch (pname) {
+ case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
+ params[0] = (GLfloat) array->Enabled;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
+ params[0] = (GLfloat) array->Size;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
+ params[0] = (GLfloat) array->Stride;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
+ params[0] = (GLfloat) array->Type;
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
+ params[0] = array->Normalized;
+ break;
+ case GL_CURRENT_VERTEX_ATTRIB_ARB:
+ if (index == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexAttribfvARB(index==0)");
+ return;
+ }
+ FLUSH_CURRENT(ctx, 0);
+ COPY_4V(params, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index]);
+ break;
+ case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
+ params[0] = (GLfloat) array->BufferObj->Name;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribfvARB(pname)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
+{
+ GLfloat fparams[4];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ _mesa_GetVertexAttribfvARB(index, pname, fparams);
+ if (ctx->ErrorValue == GL_NO_ERROR) {
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ COPY_4V_CAST(params, fparams, GLint); /* float to int */
+ }
+ else {
+ params[0] = (GLint) fparams[0];
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)");
+ return;
+ }
+
+ if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
+}
+
+
+/**
+ * Determine if id names a vertex or fragment program.
+ * \note Not compiled into display lists.
+ * \note Called from both glIsProgramNV and glIsProgramARB.
+ * \param id is the program identifier
+ * \return GL_TRUE if id is a program, else GL_FALSE.
+ */
+GLboolean GLAPIENTRY
+_mesa_IsProgramARB(GLuint id)
+{
+ struct gl_program *prog = NULL;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (id == 0)
+ return GL_FALSE;
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (prog && (prog != &_mesa_DummyProgram))
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len,
+ const GLvoid *string)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+
+ if (format != GL_PROGRAM_FORMAT_ASCII_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(format)");
+ return;
+ }
+
+ if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ struct gl_vertex_program *prog = ctx->VertexProgram.Current;
+ _mesa_parse_arb_vertex_program(ctx, target, string, len, prog);
+
+ if (ctx->Program.ErrorPos == -1 && ctx->Driver.ProgramStringNotify)
+ ctx->Driver.ProgramStringNotify( ctx, target, &prog->Base );
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ struct gl_fragment_program *prog = ctx->FragmentProgram.Current;
+ _mesa_parse_arb_fragment_program(ctx, target, string, len, prog);
+
+ if (ctx->Program.ErrorPos == -1 && ctx->Driver.ProgramStringNotify)
+ ctx->Driver.ProgramStringNotify( ctx, target, &prog->Base );
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(target)");
+ return;
+ }
+}
+
+
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterdNV)
+ */
+void GLAPIENTRY
+_mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index,
+ GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+ _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) x, (GLfloat) y,
+ (GLfloat) z, (GLfloat) w);
+}
+
+
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterdvNV)
+ */
+void GLAPIENTRY
+_mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index,
+ const GLdouble *params)
+{
+ _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) params[0],
+ (GLfloat) params[1], (GLfloat) params[2],
+ (GLfloat) params[3]);
+}
+
+
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterfNV)
+ */
+void GLAPIENTRY
+_mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
+ GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ if (index >= ctx->Const.FragmentProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)");
+ return;
+ }
+ ASSIGN_4V(ctx->FragmentProgram.Parameters[index], x, y, z, w);
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */
+ && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) {
+ if (index >= ctx->Const.VertexProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)");
+ return;
+ }
+ ASSIGN_4V(ctx->VertexProgram.Parameters[index], x, y, z, w);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter(target)");
+ return;
+ }
+}
+
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterfvNV)
+ */
+void GLAPIENTRY
+_mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index,
+ const GLfloat *params)
+{
+ _mesa_ProgramEnvParameter4fARB(target, index, params[0], params[1],
+ params[2], params[3]);
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count,
+ const GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+ GLfloat * dest;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+ if (count <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)");
+ }
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ if ((index + count) > ctx->Const.FragmentProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)");
+ return;
+ }
+ dest = ctx->FragmentProgram.Parameters[index];
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ if ((index + count) > ctx->Const.VertexProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)");
+ return;
+ }
+ dest = ctx->VertexProgram.Parameters[index];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameters4fv(target)");
+ return;
+ }
+
+ for ( i = 0 ; i < count ; i++ ) {
+ COPY_4V(dest, params);
+ params += 4;
+ dest += 4;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramEnvParameterdvARB(GLenum target, GLuint index,
+ GLdouble *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLfloat fparams[4];
+
+ _mesa_GetProgramEnvParameterfvARB(target, index, fparams);
+ if (ctx->ErrorValue == GL_NO_ERROR) {
+ params[0] = fparams[0];
+ params[1] = fparams[1];
+ params[2] = fparams[2];
+ params[3] = fparams[3];
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramEnvParameterfvARB(GLenum target, GLuint index,
+ GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ if (index >= ctx->Const.FragmentProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)");
+ return;
+ }
+ COPY_4V(params, ctx->FragmentProgram.Parameters[index]);
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ if (index >= ctx->Const.VertexProgram.MaxEnvParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)");
+ return;
+ }
+ COPY_4V(params, ctx->VertexProgram.Parameters[index]);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramEnvParameter(target)");
+ return;
+ }
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index,
+ GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_program *prog;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+ if ((target == GL_FRAGMENT_PROGRAM_NV
+ && ctx->Extensions.NV_fragment_program) ||
+ (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program)) {
+ if (index >= ctx->Const.FragmentProgram.MaxLocalParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB");
+ return;
+ }
+ prog = &(ctx->FragmentProgram.Current->Base);
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ if (index >= ctx->Const.VertexProgram.MaxLocalParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB");
+ return;
+ }
+ prog = &(ctx->VertexProgram.Current->Base);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameterARB");
+ return;
+ }
+
+ ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS);
+ prog->LocalParams[index][0] = x;
+ prog->LocalParams[index][1] = y;
+ prog->LocalParams[index][2] = z;
+ prog->LocalParams[index][3] = w;
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_ProgramLocalParameter4fvARB(GLenum target, GLuint index,
+ const GLfloat *params)
+{
+ _mesa_ProgramLocalParameter4fARB(target, index, params[0], params[1],
+ params[2], params[3]);
+}
+
+
+void GLAPIENTRY
+_mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count,
+ const GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_program *prog;
+ GLint i;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+
+ if (count <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)");
+ }
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ if ((index + count) > ctx->Const.FragmentProgram.MaxLocalParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)");
+ return;
+ }
+ prog = &(ctx->FragmentProgram.Current->Base);
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ if ((index + count) > ctx->Const.VertexProgram.MaxLocalParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)");
+ return;
+ }
+ prog = &(ctx->VertexProgram.Current->Base);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameters4fvEXT(target)");
+ return;
+ }
+
+ for (i = 0; i < count; i++) {
+ ASSERT((index + i) < MAX_PROGRAM_LOCAL_PARAMS);
+ COPY_4V(prog->LocalParams[index + i], params);
+ params += 4;
+ }
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_ProgramLocalParameter4dARB(GLenum target, GLuint index,
+ GLdouble x, GLdouble y,
+ GLdouble z, GLdouble w)
+{
+ _mesa_ProgramLocalParameter4fARB(target, index, (GLfloat) x, (GLfloat) y,
+ (GLfloat) z, (GLfloat) w);
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_ProgramLocalParameter4dvARB(GLenum target, GLuint index,
+ const GLdouble *params)
+{
+ _mesa_ProgramLocalParameter4fARB(target, index,
+ (GLfloat) params[0], (GLfloat) params[1],
+ (GLfloat) params[2], (GLfloat) params[3]);
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_GetProgramLocalParameterfvARB(GLenum target, GLuint index,
+ GLfloat *params)
+{
+ const struct gl_program *prog;
+ GLuint maxParams;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ prog = &(ctx->VertexProgram.Current->Base);
+ maxParams = ctx->Const.VertexProgram.MaxLocalParams;
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ prog = &(ctx->FragmentProgram.Current->Base);
+ maxParams = ctx->Const.FragmentProgram.MaxLocalParams;
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_NV
+ && ctx->Extensions.NV_fragment_program) {
+ prog = &(ctx->FragmentProgram.Current->Base);
+ maxParams = MAX_NV_FRAGMENT_PROGRAM_PARAMS;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetProgramLocalParameterARB(target)");
+ return;
+ }
+
+ if (index >= maxParams) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramLocalParameterARB(index)");
+ return;
+ }
+
+ ASSERT(prog);
+ ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS);
+ COPY_4V(params, prog->LocalParams[index]);
+}
+
+
+/**
+ * Note, this function is also used by the GL_NV_fragment_program extension.
+ */
+void GLAPIENTRY
+_mesa_GetProgramLocalParameterdvARB(GLenum target, GLuint index,
+ GLdouble *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLfloat floatParams[4];
+ ASSIGN_4V(floatParams, 0.0F, 0.0F, 0.0F, 0.0F);
+ _mesa_GetProgramLocalParameterfvARB(target, index, floatParams);
+ if (ctx->ErrorValue == GL_NO_ERROR) {
+ COPY_4V(params, floatParams);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params)
+{
+ const struct gl_program_constants *limits;
+ struct gl_program *prog;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_ARB
+ && ctx->Extensions.ARB_vertex_program) {
+ prog = &(ctx->VertexProgram.Current->Base);
+ limits = &ctx->Const.VertexProgram;
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB
+ && ctx->Extensions.ARB_fragment_program) {
+ prog = &(ctx->FragmentProgram.Current->Base);
+ limits = &ctx->Const.FragmentProgram;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
+ return;
+ }
+
+ ASSERT(prog);
+ ASSERT(limits);
+
+ /* Queries supported for both vertex and fragment programs */
+ switch (pname) {
+ case GL_PROGRAM_LENGTH_ARB:
+ *params
+ = prog->String ? (GLint) _mesa_strlen((char *) prog->String) : 0;
+ return;
+ case GL_PROGRAM_FORMAT_ARB:
+ *params = prog->Format;
+ return;
+ case GL_PROGRAM_BINDING_ARB:
+ *params = prog->Id;
+ return;
+ case GL_PROGRAM_INSTRUCTIONS_ARB:
+ *params = prog->NumInstructions;
+ return;
+ case GL_MAX_PROGRAM_INSTRUCTIONS_ARB:
+ *params = limits->MaxInstructions;
+ return;
+ case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
+ *params = prog->NumNativeInstructions;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
+ *params = limits->MaxNativeInstructions;
+ return;
+ case GL_PROGRAM_TEMPORARIES_ARB:
+ *params = prog->NumTemporaries;
+ return;
+ case GL_MAX_PROGRAM_TEMPORARIES_ARB:
+ *params = limits->MaxTemps;
+ return;
+ case GL_PROGRAM_NATIVE_TEMPORARIES_ARB:
+ *params = prog->NumNativeTemporaries;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB:
+ *params = limits->MaxNativeTemps;
+ return;
+ case GL_PROGRAM_PARAMETERS_ARB:
+ *params = prog->NumParameters;
+ return;
+ case GL_MAX_PROGRAM_PARAMETERS_ARB:
+ *params = limits->MaxParameters;
+ return;
+ case GL_PROGRAM_NATIVE_PARAMETERS_ARB:
+ *params = prog->NumNativeParameters;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB:
+ *params = limits->MaxNativeParameters;
+ return;
+ case GL_PROGRAM_ATTRIBS_ARB:
+ *params = prog->NumAttributes;
+ return;
+ case GL_MAX_PROGRAM_ATTRIBS_ARB:
+ *params = limits->MaxAttribs;
+ return;
+ case GL_PROGRAM_NATIVE_ATTRIBS_ARB:
+ *params = prog->NumNativeAttributes;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB:
+ *params = limits->MaxNativeAttribs;
+ return;
+ case GL_PROGRAM_ADDRESS_REGISTERS_ARB:
+ *params = prog->NumAddressRegs;
+ return;
+ case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB:
+ *params = limits->MaxAddressRegs;
+ return;
+ case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
+ *params = prog->NumNativeAddressRegs;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
+ *params = limits->MaxNativeAddressRegs;
+ return;
+ case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB:
+ *params = limits->MaxLocalParams;
+ return;
+ case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB:
+ *params = limits->MaxEnvParams;
+ return;
+ case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB:
+ /*
+ * XXX we may not really need a driver callback here.
+ * If the number of native instructions, registers, etc. used
+ * are all below the maximums, we could return true.
+ * The spec says that even if this query returns true, there's
+ * no guarantee that the program will run in hardware.
+ */
+ if (prog->Id == 0) {
+ /* default/null program */
+ *params = GL_FALSE;
+ }
+ else if (ctx->Driver.IsProgramNative) {
+ /* ask the driver */
+ *params = ctx->Driver.IsProgramNative( ctx, target, prog );
+ }
+ else {
+ /* probably running in software */
+ *params = GL_TRUE;
+ }
+ return;
+ default:
+ /* continue with fragment-program only queries below */
+ break;
+ }
+
+ /*
+ * The following apply to fragment programs only (at this time)
+ */
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ const struct gl_fragment_program *fp = ctx->FragmentProgram.Current;
+ switch (pname) {
+ case GL_PROGRAM_ALU_INSTRUCTIONS_ARB:
+ *params = fp->Base.NumNativeAluInstructions;
+ return;
+ case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
+ *params = fp->Base.NumAluInstructions;
+ return;
+ case GL_PROGRAM_TEX_INSTRUCTIONS_ARB:
+ *params = fp->Base.NumTexInstructions;
+ return;
+ case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
+ *params = fp->Base.NumNativeTexInstructions;
+ return;
+ case GL_PROGRAM_TEX_INDIRECTIONS_ARB:
+ *params = fp->Base.NumTexIndirections;
+ return;
+ case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
+ *params = fp->Base.NumNativeTexIndirections;
+ return;
+ case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB:
+ *params = limits->MaxAluInstructions;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
+ *params = limits->MaxNativeAluInstructions;
+ return;
+ case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB:
+ *params = limits->MaxTexInstructions;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
+ *params = limits->MaxNativeTexInstructions;
+ return;
+ case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB:
+ *params = limits->MaxTexIndirections;
+ return;
+ case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
+ *params = limits->MaxNativeTexIndirections;
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
+ return;
+ }
+ } else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
+{
+ const struct gl_program *prog;
+ char *dst = (char *) string;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_VERTEX_PROGRAM_ARB) {
+ prog = &(ctx->VertexProgram.Current->Base);
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ prog = &(ctx->FragmentProgram.Current->Base);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(target)");
+ return;
+ }
+
+ ASSERT(prog);
+
+ if (pname != GL_PROGRAM_STRING_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(pname)");
+ return;
+ }
+
+ if (prog->String)
+ _mesa_memcpy(dst, prog->String, _mesa_strlen((char *) prog->String));
+ else
+ *dst = '\0';
+}