* Map mesa texture target to TGSI texture target.
*/
unsigned
-st_translate_texture_target( GLuint textarget,
- GLboolean shadow )
+st_translate_texture_target(GLuint textarget, GLboolean shadow)
{
if (shadow) {
- switch( textarget ) {
- case TEXTURE_1D_INDEX: return TGSI_TEXTURE_SHADOW1D;
- case TEXTURE_2D_INDEX: return TGSI_TEXTURE_SHADOW2D;
- case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_SHADOWRECT;
- case TEXTURE_1D_ARRAY_INDEX: return TGSI_TEXTURE_SHADOW1D_ARRAY;
- case TEXTURE_2D_ARRAY_INDEX: return TGSI_TEXTURE_SHADOW2D_ARRAY;
- case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_SHADOWCUBE;
- case TEXTURE_CUBE_ARRAY_INDEX: return TGSI_TEXTURE_SHADOWCUBE_ARRAY;
- default: break;
+ switch (textarget) {
+ case TEXTURE_1D_INDEX:
+ return TGSI_TEXTURE_SHADOW1D;
+ case TEXTURE_2D_INDEX:
+ return TGSI_TEXTURE_SHADOW2D;
+ case TEXTURE_RECT_INDEX:
+ return TGSI_TEXTURE_SHADOWRECT;
+ case TEXTURE_1D_ARRAY_INDEX:
+ return TGSI_TEXTURE_SHADOW1D_ARRAY;
+ case TEXTURE_2D_ARRAY_INDEX:
+ return TGSI_TEXTURE_SHADOW2D_ARRAY;
+ case TEXTURE_CUBE_INDEX:
+ return TGSI_TEXTURE_SHADOWCUBE;
+ case TEXTURE_CUBE_ARRAY_INDEX:
+ return TGSI_TEXTURE_SHADOWCUBE_ARRAY;
+ default:
+ break;
}
}
- switch( textarget ) {
- case TEXTURE_2D_MULTISAMPLE_INDEX: return TGSI_TEXTURE_2D_MSAA;
- case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY_MSAA;
- case TEXTURE_BUFFER_INDEX: return TGSI_TEXTURE_BUFFER;
- case TEXTURE_1D_INDEX: return TGSI_TEXTURE_1D;
- case TEXTURE_2D_INDEX: return TGSI_TEXTURE_2D;
- case TEXTURE_3D_INDEX: return TGSI_TEXTURE_3D;
- case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE;
- case TEXTURE_CUBE_ARRAY_INDEX: return TGSI_TEXTURE_CUBE_ARRAY;
- case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT;
- case TEXTURE_1D_ARRAY_INDEX: return TGSI_TEXTURE_1D_ARRAY;
- case TEXTURE_2D_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY;
- case TEXTURE_EXTERNAL_INDEX: return TGSI_TEXTURE_2D;
+ switch (textarget) {
+ case TEXTURE_2D_MULTISAMPLE_INDEX:
+ return TGSI_TEXTURE_2D_MSAA;
+ case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX:
+ return TGSI_TEXTURE_2D_ARRAY_MSAA;
+ case TEXTURE_BUFFER_INDEX:
+ return TGSI_TEXTURE_BUFFER;
+ case TEXTURE_1D_INDEX:
+ return TGSI_TEXTURE_1D;
+ case TEXTURE_2D_INDEX:
+ return TGSI_TEXTURE_2D;
+ case TEXTURE_3D_INDEX:
+ return TGSI_TEXTURE_3D;
+ case TEXTURE_CUBE_INDEX:
+ return TGSI_TEXTURE_CUBE;
+ case TEXTURE_CUBE_ARRAY_INDEX:
+ return TGSI_TEXTURE_CUBE_ARRAY;
+ case TEXTURE_RECT_INDEX:
+ return TGSI_TEXTURE_RECT;
+ case TEXTURE_1D_ARRAY_INDEX:
+ return TGSI_TEXTURE_1D_ARRAY;
+ case TEXTURE_2D_ARRAY_INDEX:
+ return TGSI_TEXTURE_2D_ARRAY;
+ case TEXTURE_EXTERNAL_INDEX:
+ return TGSI_TEXTURE_2D;
default:
- debug_assert( 0 );
+ debug_assert(!"unexpected texture target index");
return TGSI_TEXTURE_1D;
}
}
+/**
+ * Translate a (1 << TEXTURE_x_INDEX) bit into a TGSI_TEXTURE_x enum.
+ */
+static unsigned
+translate_texture_index(GLbitfield texBit, bool shadow)
+{
+ int index = ffs(texBit);
+ assert(index > 0);
+ assert(index - 1 < NUM_TEXTURE_TARGETS);
+ return st_translate_texture_target(index - 1, shadow);
+}
+
+
/**
* Create a TGSI ureg_dst register from a Mesa dest register.
*/
static struct ureg_dst
translate_dst( struct st_translate *t,
const struct prog_dst_register *DstReg,
- boolean saturate,
- boolean clamp_color)
+ boolean saturate)
{
struct ureg_dst dst = dst_register( t,
DstReg->File,
if (saturate)
dst = ureg_saturate( dst );
- else if (clamp_color && DstReg->File == PROGRAM_OUTPUT) {
- /* Clamp colors for ARB_color_buffer_float. */
- switch (t->procType) {
- case TGSI_PROCESSOR_VERTEX:
- /* This can only occur with a compatibility profile, which doesn't
- * support geometry shaders. */
- if (DstReg->Index == VARYING_SLOT_COL0 ||
- DstReg->Index == VARYING_SLOT_COL1 ||
- DstReg->Index == VARYING_SLOT_BFC0 ||
- DstReg->Index == VARYING_SLOT_BFC1) {
- dst = ureg_saturate(dst);
- }
- break;
-
- case TGSI_PROCESSOR_FRAGMENT:
- if (DstReg->Index >= FRAG_RESULT_COLOR) {
- dst = ureg_saturate(dst);
- }
- break;
- }
- }
if (DstReg->RelAddr)
dst = ureg_dst_indirect( dst, ureg_src(t->address[0]) );
{
struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index );
- if (t->procType == TGSI_PROCESSOR_GEOMETRY && SrcReg->HasIndex2) {
- src = src_register( t, SrcReg->File, SrcReg->Index2 );
- if (SrcReg->RelAddr2)
- src = ureg_src_dimension_indirect( src, ureg_src(t->address[0]),
- SrcReg->Index);
- else
- src = ureg_src_dimension( src, SrcReg->Index);
- }
-
src = ureg_swizzle( src,
GET_SWZ( SrcReg->Swizzle, 0 ) & 0x3,
GET_SWZ( SrcReg->Swizzle, 1 ) & 0x3,
if (SrcReg->Negate == NEGATE_XYZW)
src = ureg_negate(src);
- if (SrcReg->Abs)
- src = ureg_abs(src);
-
if (SrcReg->RelAddr) {
src = ureg_src_indirect( src, ureg_src(t->address[0]));
if (SrcReg->File != PROGRAM_INPUT &&
}
-/**
- * Negate the value of DDY to match GL semantics where (0,0) is the
- * lower-left corner of the window.
- * Note that the GL_ARB_fragment_coord_conventions extension will
- * effect this someday.
- */
-static void emit_ddy( struct st_translate *t,
- struct ureg_dst dst,
- const struct prog_src_register *SrcReg )
-{
- struct ureg_program *ureg = t->ureg;
- struct ureg_src src = translate_src( t, SrcReg );
- src = ureg_negate( src );
- ureg_DDY( ureg, dst, src );
-}
-
-
-
static unsigned
translate_opcode( unsigned op )
{
return TGSI_OPCODE_TRUNC;
case OPCODE_KIL:
return TGSI_OPCODE_KILL_IF;
- case OPCODE_KIL_NV:
- /* XXX we don't support condition codes in TGSI */
- return TGSI_OPCODE_KILL;
case OPCODE_LG2:
return TGSI_OPCODE_LG2;
case OPCODE_LOG:
compile_instruction(
struct gl_context *ctx,
struct st_translate *t,
- const struct prog_instruction *inst,
- boolean clamp_dst_color_output)
+ const struct prog_instruction *inst)
{
struct ureg_program *ureg = t->ureg;
GLuint i;
if (num_dst)
dst[0] = translate_dst( t,
&inst->DstReg,
- inst->Saturate,
- clamp_dst_color_output);
+ inst->Saturate);
for (i = 0; i < num_src; i++)
src[i] = translate_src( t, &inst->SrcReg[i] );
*/
ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) );
break;
-
- case OPCODE_DDY:
- emit_ddy( t, dst[0], &inst->SrcReg[0] );
- break;
case OPCODE_RSQ:
ureg_RSQ( ureg, dst[0], ureg_abs(src[0]) );
* a FBO is bound (STATE_FB_WPOS_Y_TRANSFORM).
*/
static void
-emit_wpos_adjustment( struct st_translate *t,
- const struct gl_program *program,
- boolean invert,
- GLfloat adjX, GLfloat adjY[2])
+emit_wpos_adjustment(struct gl_context *ctx,
+ struct st_translate *t,
+ const struct gl_program *program,
+ boolean invert,
+ GLfloat adjX, GLfloat adjY[2])
{
struct ureg_program *ureg = t->ureg;
struct ureg_src wpostrans = ureg_DECL_constant( ureg, wposTransConst );
struct ureg_dst wpos_temp = ureg_DECL_temporary( ureg );
- struct ureg_src wpos_input = t->inputs[t->inputMapping[VARYING_SLOT_POS]];
+ struct ureg_src *wpos =
+ ctx->Const.GLSLFragCoordIsSysVal ?
+ &t->systemValues[SYSTEM_VALUE_FRAG_COORD] :
+ &t->inputs[t->inputMapping[VARYING_SLOT_POS]];
+ struct ureg_src wpos_input = *wpos;
/* First, apply the coordinate shift: */
if (adjX || adjY[0] || adjY[1]) {
/* Use wpos_temp as position input from here on:
*/
- t->inputs[t->inputMapping[VARYING_SLOT_POS]] = ureg_src(wpos_temp);
+ *wpos = ureg_src(wpos_temp);
}
/* we invert after adjustment so that we avoid the MOV to temporary,
* and reuse the adjustment ADD instead */
- emit_wpos_adjustment(t, program, invert, adjX, adjY);
-}
-
-
-/**
- * OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back.
- * TGSI uses +1 for front, -1 for back.
- * This function converts the TGSI value to the GL value. Simply clamping/
- * saturating the value to [0,1] does the job.
- */
-static void
-emit_face_var( struct st_translate *t,
- const struct gl_program *program )
-{
- struct ureg_program *ureg = t->ureg;
- struct ureg_dst face_temp = ureg_DECL_temporary( ureg );
- struct ureg_src face_input = t->inputs[t->inputMapping[VARYING_SLOT_FACE]];
-
- /* MOV_SAT face_temp, input[face]
- */
- face_temp = ureg_saturate( face_temp );
- ureg_MOV( ureg, face_temp, face_input );
-
- /* Use face_temp as face input from here on:
- */
- t->inputs[t->inputMapping[VARYING_SLOT_FACE]] = ureg_src(face_temp);
-}
-
-
-static void
-emit_edgeflags( struct st_translate *t,
- const struct gl_program *program )
-{
- struct ureg_program *ureg = t->ureg;
- struct ureg_dst edge_dst = t->outputs[t->outputMapping[VARYING_SLOT_EDGE]];
- struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]];
-
- ureg_MOV( ureg, edge_dst, edge_src );
+ emit_wpos_adjustment(st->ctx, t, program, invert, adjX, adjY);
}
GLuint numOutputs,
const GLuint outputMapping[],
const ubyte outputSemanticName[],
- const ubyte outputSemanticIndex[],
- boolean passthrough_edgeflags,
- boolean clamp_color)
+ const ubyte outputSemanticIndex[])
{
struct st_translate translate, *t;
unsigned i;
emit_wpos(st_context(ctx), t, program, ureg);
}
- if (program->InputsRead & VARYING_BIT_FACE) {
- emit_face_var( t, program );
- }
-
/*
* Declare output attributes.
*/
t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
}
}
- if (passthrough_edgeflags)
- emit_edgeflags( t, program );
}
/* Declare address register.
*/
{
GLbitfield sysInputs = program->SystemValuesRead;
- unsigned numSys = 0;
+
for (i = 0; sysInputs; i++) {
if (sysInputs & (1 << i)) {
unsigned semName = _mesa_sysval_to_semantic[i];
- t->systemValues[i] = ureg_DECL_system_value(ureg, numSys, semName, 0);
+
+ t->systemValues[i] = ureg_DECL_system_value(ureg, semName, 0);
+
if (semName == TGSI_SEMANTIC_INSTANCEID ||
semName == TGSI_SEMANTIC_VERTEXID) {
/* From Gallium perspective, these system values are always
t->systemValues[i] = ureg_scalar(ureg_src(temp), 0);
}
}
- numSys++;
+
+ if (procType == TGSI_PROCESSOR_FRAGMENT &&
+ semName == TGSI_SEMANTIC_POSITION)
+ emit_wpos(st_context(ctx), t, program, ureg);
+
sysInputs &= ~(1 << i);
}
}
/* texture samplers */
for (i = 0; i < ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; i++) {
if (program->SamplersUsed & (1 << i)) {
+ unsigned target =
+ translate_texture_index(program->TexturesUsed[i],
+ !!(program->ShadowSamplers & (1 << i)));
t->samplers[i] = ureg_DECL_sampler( ureg, i );
+ ureg_DECL_sampler_view(ureg, i, target,
+ TGSI_RETURN_TYPE_FLOAT,
+ TGSI_RETURN_TYPE_FLOAT,
+ TGSI_RETURN_TYPE_FLOAT,
+ TGSI_RETURN_TYPE_FLOAT);
+
}
}
*/
for (i = 0; i < program->NumInstructions; i++) {
set_insn_start( t, ureg_get_instruction_number( ureg ));
- compile_instruction( ctx, t, &program->Instructions[i], clamp_color );
+ compile_instruction(ctx, t, &program->Instructions[i]);
}
/* Fix up all emitted labels:
projects / mesa.git / blobdiff