struct r700_vertex_program* r700TranslateVertexShader(struct gl_context *ctx,
struct gl_vertex_program *mesa_vp)
{
context_t *context = R700_CONTEXT(ctx);
R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw);
struct r700_vertex_program *vp;
unsigned int i;
vp = calloc(1, sizeof(*vp));
vp->mesa_program = _mesa_clone_vertex_program(ctx, mesa_vp);
vp->constbo0 = NULL;
if (mesa_vp->IsPositionInvariant)
{
_mesa_insert_mvp_code(ctx, vp->mesa_program);
}
for(i=0; i<context->nNumActiveAos; i++)
{
vp->aos_desc[i].size = context->stream_desc[i].size;
vp->aos_desc[i].stride = context->stream_desc[i].stride;
vp->aos_desc[i].type = context->stream_desc[i].type;
vp->aos_desc[i].format = context->stream_desc[i].format;
}
if (context->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV770)
{
vp->r700AsmCode.bR6xx = 1;
}
//Init_Program
Init_r700_AssemblerBase(SPT_VP, &(vp->r700AsmCode), &(vp->r700Shader) );
if(GL_TRUE == r700->bShaderUseMemConstant)
{
vp->r700AsmCode.bUseMemConstant = GL_TRUE;
}
else
{
vp->r700AsmCode.bUseMemConstant = GL_FALSE;
}
vp->r700AsmCode.unAsic = 7;
Map_Vertex_Program(ctx, vp, vp->mesa_program );
if(GL_FALSE == Find_Instruction_Dependencies_vp(vp, vp->mesa_program))
{
return NULL;
}
InitShaderProgram(&(vp->r700AsmCode));
for(i=0; i < MAX_SAMPLERS; i++)
{
vp->r700AsmCode.SamplerUnits[i] = vp->mesa_program->Base.SamplerUnits[i];
}
vp->r700AsmCode.unCurNumILInsts = vp->mesa_program->Base.NumInstructions;
if(GL_FALSE == AssembleInstr(0,
0,
vp->mesa_program->Base.NumInstructions,
&(vp->mesa_program->Base.Instructions[0]),
&(vp->r700AsmCode)) )
{
return NULL;
}
if(GL_FALSE == Process_Vertex_Exports(&(vp->r700AsmCode), vp->mesa_program->Base.OutputsWritten) )
{
return NULL;
}
if( GL_FALSE == RelocProgram(&(vp->r700AsmCode), &(vp->mesa_program->Base)) )
{
return GL_FALSE;
}
vp->r700Shader.nRegs = (vp->r700AsmCode.number_used_registers == 0) ? 0
: (vp->r700AsmCode.number_used_registers - 1);
vp->r700Shader.nParamExports = vp->r700AsmCode.number_of_exports;
vp->translated = GL_TRUE;
return vp;
}
GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp,
struct gl_fragment_program *mesa_fp,
GLcontext *ctx)
{
context_t *context = R700_CONTEXT(ctx);
R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw);
GLuint number_of_colors_exported;
GLboolean z_enabled = GL_FALSE;
GLuint unBit, shadow_unit;
int i;
struct prog_instruction *inst;
gl_state_index shadow_ambient[STATE_LENGTH]
= { STATE_INTERNAL, STATE_SHADOW_AMBIENT, 0, 0, 0};
//Init_Program
Init_r700_AssemblerBase( SPT_FP, &(fp->r700AsmCode), &(fp->r700Shader) );
if(GL_TRUE == r700->bShaderUseMemConstant)
{
fp->r700AsmCode.bUseMemConstant = GL_TRUE;
}
else
{
fp->r700AsmCode.bUseMemConstant = GL_FALSE;
}
fp->r700AsmCode.unAsic = 7;
if(mesa_fp->Base.InputsRead & FRAG_BIT_WPOS)
{
insert_wpos_code(ctx, mesa_fp);
}
/* add/map consts for ARB_shadow_ambient */
if(mesa_fp->Base.ShadowSamplers)
{
inst = mesa_fp->Base.Instructions;
for (i = 0; i < mesa_fp->Base.NumInstructions; i++)
{
if(inst->TexShadow == 1)
{
shadow_unit = inst->TexSrcUnit;
shadow_ambient[2] = shadow_unit;
fp->r700AsmCode.shadow_regs[shadow_unit] =
_mesa_add_state_reference(mesa_fp->Base.Parameters, shadow_ambient);
}
inst++;
}
}
Map_Fragment_Program(&(fp->r700AsmCode), mesa_fp, ctx);
if( GL_FALSE == Find_Instruction_Dependencies_fp(fp, mesa_fp) )
{
return GL_FALSE;
}
InitShaderProgram(&(fp->r700AsmCode));
for(i=0; i < MAX_SAMPLERS; i++)
{
fp->r700AsmCode.SamplerUnits[i] = fp->mesa_program.Base.SamplerUnits[i];
}
fp->r700AsmCode.unCurNumILInsts = mesa_fp->Base.NumInstructions;
if( GL_FALSE == AssembleInstr(0,
0,
mesa_fp->Base.NumInstructions,
&(mesa_fp->Base.Instructions[0]),
&(fp->r700AsmCode)) )
{
return GL_FALSE;
}
if(GL_FALSE == Process_Fragment_Exports(&(fp->r700AsmCode), mesa_fp->Base.OutputsWritten) )
{
return GL_FALSE;
}
if( GL_FALSE == RelocProgram(&(fp->r700AsmCode), &(mesa_fp->Base)) )
{
return GL_FALSE;
}
fp->r700Shader.nRegs = (fp->r700AsmCode.number_used_registers == 0) ? 0
: (fp->r700AsmCode.number_used_registers - 1);
fp->r700Shader.nParamExports = fp->r700AsmCode.number_of_exports;
number_of_colors_exported = fp->r700AsmCode.number_of_colorandz_exports;
unBit = 1 << FRAG_RESULT_DEPTH;
if(mesa_fp->Base.OutputsWritten & unBit)
{
z_enabled = GL_TRUE;
number_of_colors_exported--;
}
/* illegal to set this to 0 */
if(number_of_colors_exported || z_enabled)
{
fp->r700Shader.exportMode = number_of_colors_exported << 1 | z_enabled;
}
else
{
fp->r700Shader.exportMode = (1 << 1);
}
fp->translated = GL_TRUE;
return GL_TRUE;
}
