*/
-#include "glheader.h"
-#include "context.h"
-#include "hash.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
#include "program.h"
#include "prog_cache.h"
#include "prog_parameter.h"
#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
ctx->VertexProgram.Enabled = GL_FALSE;
+#if FEATURE_es2_glsl
+ ctx->VertexProgram.PointSizeEnabled = GL_TRUE;
+#else
ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
+#endif
ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
_mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
ctx->Shared->DefaultVertexProgram);
/* XXX probably move this stuff */
#if FEATURE_ATI_fragment_shader
ctx->ATIFragmentShader.Enabled = GL_FALSE;
- ctx->ATIFragmentShader.Current = (struct ati_fragment_shader *) ctx->Shared->DefaultFragmentShader;
+ ctx->ATIFragmentShader.Current = ctx->Shared->DefaultFragmentShader;
assert(ctx->ATIFragmentShader.Current);
ctx->ATIFragmentShader.Current->RefCount++;
#endif
for (i = 0; i < prog->NumInstructions; i++) {
struct prog_instruction *inst = prog->Instructions + i;
if (inst->BranchTarget > 0) {
- if (inst->BranchTarget >= start) {
+ if ((GLuint)inst->BranchTarget >= start) {
inst->BranchTarget += count;
}
}
if (newProg->Target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprogA, *fprogB, *newFprog;
+ GLbitfield progB_inputsRead = progB->InputsRead;
+ GLint progB_colorFile, progB_colorIndex;
+
fprogA = (struct gl_fragment_program *) progA;
fprogB = (struct gl_fragment_program *) progB;
newFprog = (struct gl_fragment_program *) newProg;
newFprog->UsesKill = fprogA->UsesKill || fprogB->UsesKill;
+ /* We'll do a search and replace for instances
+ * of progB_colorFile/progB_colorIndex below...
+ */
+ progB_colorFile = PROGRAM_INPUT;
+ progB_colorIndex = FRAG_ATTRIB_COL0;
+
+ /*
+ * The fragment program may get color from a state var rather than
+ * a fragment input (vertex output) if it's constant.
+ * See the texenvprogram.c code.
+ * So, search the program's parameter list now to see if the program
+ * gets color from a state var instead of a conventional fragment
+ * input register.
+ */
+ for (i = 0; i < progB->Parameters->NumParameters; i++) {
+ struct gl_program_parameter *p = &progB->Parameters->Parameters[i];
+ if (p->Type == PROGRAM_STATE_VAR &&
+ p->StateIndexes[0] == STATE_INTERNAL &&
+ p->StateIndexes[1] == STATE_CURRENT_ATTRIB &&
+ p->StateIndexes[2] == VERT_ATTRIB_COLOR0) {
+ progB_inputsRead |= FRAG_BIT_COL0;
+ progB_colorFile = PROGRAM_STATE_VAR;
+ progB_colorIndex = i;
+ break;
+ }
+ }
+
/* Connect color outputs of fprogA to color inputs of fprogB, via a
* new temporary register.
*/
if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) &&
- (progB->InputsRead & (1 << FRAG_ATTRIB_COL0))) {
+ (progB_inputsRead & FRAG_BIT_COL0)) {
GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY);
if (tempReg < 0) {
_mesa_problem(ctx, "No free temp regs found in "
replace_registers(newInst, lenA,
PROGRAM_OUTPUT, FRAG_RESULT_COLR,
PROGRAM_TEMPORARY, tempReg);
- /* replace reads from input.color[0] with tempReg */
+ /* replace reads from the input color with tempReg */
replace_registers(newInst + lenA, lenB,
- PROGRAM_INPUT, FRAG_ATTRIB_COL0,
- PROGRAM_TEMPORARY, tempReg);
+ progB_colorFile, progB_colorIndex, /* search for */
+ PROGRAM_TEMPORARY, tempReg /* replace with */ );
}
- inputsB = progB->InputsRead;
+ /* compute combined program's InputsRead */
+ inputsB = progB_inputsRead;
if (progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) {
inputsB &= ~(1 << FRAG_ATTRIB_COL0);
}
return -1;
}
-
-
-
-/**
- * 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;
-}
-
-
-
-/**********************************************************************/
-/* API functions */
-/**********************************************************************/
-
-
-/**
- * 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);
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
- /* 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;
- }
-
- /* 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;
- }
-}
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