Mesa (master): r600: glsl - allow specifying texture sampler via uniforms

[Andre Maasikas]

Module: Mesa
Branch: master
Commit: 50ab51101e4c5e64ab92c260c324fb66a98851a8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=50ab51101e4c5e64ab92c260c324fb66a98851a8

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Fri Dec  4 16:36:41 2009 +0200

r600: glsl - allow specifying texture sampler via uniforms

looks kinda hackish, should rethink later

---

 src/mesa/drivers/dri/r600/r700_assembler.c |    2 +-
 src/mesa/drivers/dri/r600/r700_assembler.h |    1 +
 src/mesa/drivers/dri/r600/r700_fragprog.c  |    5 +++++
 src/mesa/drivers/dri/r600/r700_vertprog.c  |    4 ++++
 4 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 3738edb..158c5fa 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -4840,7 +4840,7 @@ GLboolean assemble_TEX(r700_AssemblerBase *pAsm)
         pAsm->need_tex_barrier = GL_TRUE;
     }
     // Set src1 to tex unit id
-    pAsm->S[1].src.reg   = pAsm->pILInst[pAsm->uiCurInst].TexSrcUnit;
+    pAsm->S[1].src.reg   = pAsm->SamplerUnits[pAsm->pILInst[pAsm->uiCurInst].TexSrcUnit];
     pAsm->S[1].src.rtype = SRC_REG_TEMPORARY;
 
     //No sw info from mesa compiler, so hard code here.
diff --git a/src/mesa/drivers/dri/r600/r700_assembler.h b/src/mesa/drivers/dri/r600/r700_assembler.h
index ef1f924..48ffef5 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.h
+++ b/src/mesa/drivers/dri/r600/r700_assembler.h
@@ -416,6 +416,7 @@ typedef struct r700_AssemblerBase
     SHADER_PIPE_TYPE currentShaderType;
     struct prog_instruction * pILInst;
     GLuint             uiCurInst;
+    GLubyte SamplerUnits[MAX_SAMPLERS];
     GLboolean   bR6xx;
     /* helper to decide which type of instruction to assemble */
     GLboolean is_tex;
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c
index 0cb9707..8eb439a 100644
--- a/src/mesa/drivers/dri/r600/r700_fragprog.c
+++ b/src/mesa/drivers/dri/r600/r700_fragprog.c
@@ -308,6 +308,7 @@ GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp,
 	GLuint    number_of_colors_exported;
 	GLboolean z_enabled = GL_FALSE;
 	GLuint    unBit;
+	int i;
 
     //Init_Program
 	Init_r700_AssemblerBase( SPT_FP, &(fp->r700AsmCode), &(fp->r700Shader) );
@@ -320,6 +321,10 @@ GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp,
 
     InitShaderProgram(&(fp->r700AsmCode));
 	
+    for(i=0; i < MAX_SAMPLERS; i++)
+    {
+         fp->r700AsmCode.SamplerUnits[i] = fp->mesa_program.Base.SamplerUnits[i];
+    }
 	if( GL_FALSE == AssembleInstr(0,
                                   mesa_fp->Base.NumInstructions,
                                   &(mesa_fp->Base.Instructions[0]), 
diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index d3d1da7..759b74d 100644
--- a/src/mesa/drivers/dri/r600/r700_vertprog.c
+++ b/src/mesa/drivers/dri/r600/r700_vertprog.c
@@ -337,6 +337,10 @@ struct r700_vertex_program* r700TranslateVertexShader(GLcontext *ctx,
 
     InitShaderProgram(&(vp->r700AsmCode));
 
+    for(i=0; i < MAX_SAMPLERS; i++)
+    {
+        vp->r700AsmCode.SamplerUnits[i] = vp->mesa_program->Base.SamplerUnits[i];
+    }
 	if(GL_FALSE == AssembleInstr(0,
                                  vp->mesa_program->Base.NumInstructions,
                                  &(vp->mesa_program->Base.Instructions[0]),