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-rw-r--r--src/mesa/shader/arbprogram.c13
-rw-r--r--src/mesa/shader/nvprogram.c2
-rw-r--r--src/mesa/shader/prog_optimize.c154
-rw-r--r--src/mesa/shader/prog_optimize.h12
-rw-r--r--src/mesa/shader/shader_api.c6
5 files changed, 155 insertions, 32 deletions
diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c
index 981565ab8f..317d623a22 100644
--- a/src/mesa/shader/arbprogram.c
+++ b/src/mesa/shader/arbprogram.c
@@ -74,8 +74,6 @@ _mesa_BindProgram(GLenum target, GLuint id)
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 ||
@@ -132,6 +130,9 @@ _mesa_BindProgram(GLenum target, GLuint id)
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,
@@ -489,7 +490,7 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
if (target == GL_FRAGMENT_PROGRAM_ARB
&& ctx->Extensions.ARB_fragment_program) {
@@ -537,7 +538,7 @@ _mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count,
GLfloat * dest;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
if (count <= 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)");
@@ -631,7 +632,7 @@ _mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index,
struct gl_program *prog;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
if ((target == GL_FRAGMENT_PROGRAM_NV
&& ctx->Extensions.NV_fragment_program) ||
@@ -685,7 +686,7 @@ _mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count,
GLint i;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
if (count <= 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)");
diff --git a/src/mesa/shader/nvprogram.c b/src/mesa/shader/nvprogram.c
index 5142c2a4a5..8ba521182b 100644
--- a/src/mesa/shader/nvprogram.c
+++ b/src/mesa/shader/nvprogram.c
@@ -706,7 +706,7 @@ _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
prog = _mesa_lookup_program(ctx, id);
if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c
index 6ba2e76ff9..a02f5efa41 100644
--- a/src/mesa/shader/prog_optimize.c
+++ b/src/mesa/shader/prog_optimize.c
@@ -547,15 +547,13 @@ update_interval(GLint intBegin[], GLint intEnd[], GLuint index, GLuint ic)
/**
- * Find the live intervals for each temporary register in the program.
- * For register R, the interval [A,B] indicates that R is referenced
- * from instruction A through instruction B.
- * Special consideration is needed for loops and subroutines.
- * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason
+ * Find first/last instruction that references each temporary register.
*/
-static GLboolean
-find_live_intervals(struct gl_program *prog,
- struct interval_list *liveIntervals)
+GLboolean
+_mesa_find_temp_intervals(const struct prog_instruction *instructions,
+ GLuint numInstructions,
+ GLint intBegin[MAX_PROGRAM_TEMPS],
+ GLint intEnd[MAX_PROGRAM_TEMPS])
{
struct loop_info
{
@@ -563,26 +561,15 @@ find_live_intervals(struct gl_program *prog,
};
struct loop_info loopStack[MAX_LOOP_NESTING];
GLuint loopStackDepth = 0;
- GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS];
GLuint i;
- /*
- * Note: we'll return GL_FALSE below if we find relative indexing
- * into the TEMP register file. We can't handle that yet.
- * We also give up on subroutines for now.
- */
-
- if (dbg) {
- _mesa_printf("Optimize: Begin find intervals\n");
- }
-
for (i = 0; i < MAX_PROGRAM_TEMPS; i++){
intBegin[i] = intEnd[i] = -1;
}
/* Scan instructions looking for temporary registers */
- for (i = 0; i < prog->NumInstructions; i++) {
- const struct prog_instruction *inst = prog->Instructions + i;
+ for (i = 0; i < numInstructions; i++) {
+ const struct prog_instruction *inst = instructions + i;
if (inst->Opcode == OPCODE_BGNLOOP) {
loopStack[loopStackDepth].Start = i;
loopStack[loopStackDepth].End = inst->BranchTarget;
@@ -595,7 +582,7 @@ find_live_intervals(struct gl_program *prog,
return GL_FALSE;
}
else {
- const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode);
+ const GLuint numSrc = 3;/*_mesa_num_inst_src_regs(inst->Opcode);*/
GLuint j;
for (j = 0; j < numSrc; j++) {
if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) {
@@ -624,6 +611,39 @@ find_live_intervals(struct gl_program *prog,
}
}
+ return GL_TRUE;
+}
+
+
+/**
+ * Find the live intervals for each temporary register in the program.
+ * For register R, the interval [A,B] indicates that R is referenced
+ * from instruction A through instruction B.
+ * Special consideration is needed for loops and subroutines.
+ * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason
+ */
+static GLboolean
+find_live_intervals(struct gl_program *prog,
+ struct interval_list *liveIntervals)
+{
+ GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS];
+ GLuint i;
+
+ /*
+ * Note: we'll return GL_FALSE below if we find relative indexing
+ * into the TEMP register file. We can't handle that yet.
+ * We also give up on subroutines for now.
+ */
+
+ if (dbg) {
+ _mesa_printf("Optimize: Begin find intervals\n");
+ }
+
+ /* build intermediate arrays */
+ if (!_mesa_find_temp_intervals(prog->Instructions, prog->NumInstructions,
+ intBegin, intEnd))
+ return GL_FALSE;
+
/* Build live intervals list from intermediate arrays */
liveIntervals->Num = 0;
for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
@@ -794,6 +814,96 @@ _mesa_reallocate_registers(struct gl_program *prog)
+
+
+
+
+#if 0
+static void
+_mesa_find_temporary_live_intervals(struct gl_program *prog,
+ GLint firstInst[MAX_PROGRAM_TEMPS],
+ GLint lastInst[MAX_PROGRAM_TEMPS])
+{
+ GLuint i;
+
+ for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
+ firstInst[i] = lastInst[i] = -1;
+ }
+
+ struct loop_info loopStack[MAX_LOOP_NESTING];
+ GLuint loopStackDepth = 0;
+ GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS];
+ GLuint i;
+
+ /*
+ * Note: we'll return GL_FALSE below if we find relative indexing
+ * into the TEMP register file. We can't handle that yet.
+ * We also give up on subroutines for now.
+ */
+
+ if (dbg) {
+ _mesa_printf("Optimize: Begin find intervals\n");
+ }
+
+ for (i = 0; i < MAX_PROGRAM_TEMPS; i++){
+ intBegin[i] = intEnd[i] = -1;
+ }
+
+ /* Scan instructions looking for temporary registers */
+ for (i = 0; i < prog->NumInstructions; i++) {
+ const struct prog_instruction *inst = prog->Instructions + i;
+ if (inst->Opcode == OPCODE_BGNLOOP) {
+ loopStack[loopStackDepth].Start = i;
+ loopStack[loopStackDepth].End = inst->BranchTarget;
+ loopStackDepth++;
+ }
+ else if (inst->Opcode == OPCODE_ENDLOOP) {
+ loopStackDepth--;
+ }
+ else if (inst->Opcode == OPCODE_CAL) {
+ return GL_FALSE;
+ }
+ else {
+ const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode);
+ GLuint j;
+ for (j = 0; j < numSrc; j++) {
+ if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) {
+ const GLuint index = inst->SrcReg[j].Index;
+ if (inst->SrcReg[j].RelAddr)
+ return GL_FALSE;
+ update_interval(intBegin, intEnd, index, i);
+ if (loopStackDepth > 0) {
+ /* extend temp register's interval to end of loop */
+ GLuint loopEnd = loopStack[loopStackDepth - 1].End;
+ update_interval(intBegin, intEnd, index, loopEnd);
+ }
+ }
+ }
+ if (inst->DstReg.File == PROGRAM_TEMPORARY) {
+ const GLuint index = inst->DstReg.Index;
+ if (inst->DstReg.RelAddr)
+ return GL_FALSE;
+ update_interval(intBegin, intEnd, index, i);
+ if (loopStackDepth > 0) {
+ /* extend temp register's interval to end of loop */
+ GLuint loopEnd = loopStack[loopStackDepth - 1].End;
+ update_interval(intBegin, intEnd, index, loopEnd);
+ }
+ }
+ }
+ }
+
+
+
+
+#endif
+
+
+
+
+
+
+
/**
* Apply optimizations to the given program to eliminate unnecessary
* instructions, temp regs, etc.
diff --git a/src/mesa/shader/prog_optimize.h b/src/mesa/shader/prog_optimize.h
index d102cfd9fc..43894a2723 100644
--- a/src/mesa/shader/prog_optimize.h
+++ b/src/mesa/shader/prog_optimize.h
@@ -25,7 +25,19 @@
#ifndef PROG_OPT_H
#define PROG_OPT_H
+
+#include "main/config.h"
+
+
struct gl_program;
+struct prog_instruction;
+
+
+extern GLboolean
+_mesa_find_temp_intervals(const struct prog_instruction *instructions,
+ GLuint numInstructions,
+ GLint intBegin[MAX_PROGRAM_TEMPS],
+ GLint intEnd[MAX_PROGRAM_TEMPS]);
extern void
_mesa_optimize_program(GLcontext *ctx, struct gl_program *program);
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 644cd39185..8f414a0889 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1487,7 +1487,7 @@ _mesa_use_program(GLcontext *ctx, GLuint program)
return;
}
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
if (program) {
shProg = _mesa_lookup_shader_program_err(ctx, program, "glUseProgram");
@@ -1789,7 +1789,7 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
return;
}
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
uniform = &shProg->Uniforms->Uniforms[location];
@@ -1929,7 +1929,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows,
return;
}
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
uniform = &shProg->Uniforms->Uniforms[location];
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-21 09:43:22 +0000