/**************************************************************************
*
- * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007-2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "st_glsl_to_tgsi.h" /* for _mesa_sysval_to_semantic */
-#define PROGRAM_ANY_CONST ((1 << PROGRAM_LOCAL_PARAM) | \
- (1 << PROGRAM_ENV_PARAM) | \
- (1 << PROGRAM_STATE_VAR) | \
- (1 << PROGRAM_NAMED_PARAM) | \
+#define PROGRAM_ANY_CONST ((1 << PROGRAM_STATE_VAR) | \
(1 << PROGRAM_CONSTANT) | \
(1 << PROGRAM_UNIFORM))
-
-struct label {
- unsigned branch_target;
- unsigned token;
-};
-
-
/**
* Intermediate state used during shader translation.
*/
struct ureg_src samplers[PIPE_MAX_SAMPLERS];
struct ureg_src systemValues[SYSTEM_VALUE_MAX];
- /* Extra info for handling point size clamping in vertex shader */
- struct ureg_dst pointSizeResult; /**< Actual point size output register */
- struct ureg_src pointSizeConst; /**< Point size range constant register */
- GLint pointSizeOutIndex; /**< Temp point size output register */
- GLboolean prevInstWrotePointSize;
-
const GLuint *inputMapping;
const GLuint *outputMapping;
- /* For every instruction that contains a label (eg CALL), keep
- * details so that we can go back afterwards and emit the correct
- * tgsi instruction number for each label.
- */
- struct label *labels;
- unsigned labels_size;
- unsigned labels_count;
-
- /* Keep a record of the tgsi instruction number that each mesa
- * instruction starts at, will be used to fix up labels after
- * translation.
- */
- unsigned *insn;
- unsigned insn_size;
- unsigned insn_count;
-
- unsigned procType; /**< TGSI_PROCESSOR_VERTEX/FRAGMENT */
-
- boolean error;
+ unsigned procType; /**< PIPE_SHADER_VERTEX/FRAGMENT */
};
-/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
-static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
- TGSI_SEMANTIC_FACE,
- TGSI_SEMANTIC_INSTANCEID
-};
-
-
-/**
- * Make note of a branch to a label in the TGSI code.
- * After we've emitted all instructions, we'll go over the list
- * of labels built here and patch the TGSI code with the actual
- * location of each label.
- */
-static unsigned *get_label( struct st_translate *t,
- unsigned branch_target )
-{
- unsigned i;
-
- if (t->labels_count + 1 >= t->labels_size) {
- unsigned old_size = t->labels_size;
- t->labels_size = 1 << (util_logbase2(t->labels_size) + 1);
- t->labels = REALLOC( t->labels,
- old_size * sizeof t->labels[0],
- t->labels_size * sizeof t->labels[0] );
- if (t->labels == NULL) {
- static unsigned dummy;
- t->error = TRUE;
- return &dummy;
- }
- }
-
- i = t->labels_count++;
- t->labels[i].branch_target = branch_target;
- return &t->labels[i].token;
-}
-
-
-/**
- * Called prior to emitting the TGSI code for each Mesa instruction.
- * Allocate additional space for instructions if needed.
- * Update the insn[] array so the next Mesa instruction points to
- * the next TGSI instruction.
- */
-static void set_insn_start( struct st_translate *t,
- unsigned start )
-{
- if (t->insn_count + 1 >= t->insn_size) {
- unsigned old_size = t->insn_size;
- t->insn_size = 1 << (util_logbase2(t->insn_size) + 1);
- t->insn = REALLOC( t->insn,
- old_size * sizeof t->insn[0],
- t->insn_size * sizeof t->insn[0] );
- if (t->insn == NULL) {
- t->error = TRUE;
- return;
- }
- }
-
- t->insn[t->insn_count++] = start;
-}
-
-
/**
* Map a Mesa dst register to a TGSI ureg_dst register.
*/
return t->temps[index];
case PROGRAM_OUTPUT:
- if (t->procType == TGSI_PROCESSOR_VERTEX && index == VERT_RESULT_PSIZ)
- t->prevInstWrotePointSize = GL_TRUE;
-
- if (t->procType == TGSI_PROCESSOR_VERTEX)
- assert(index < VERT_RESULT_MAX);
- else if (t->procType == TGSI_PROCESSOR_FRAGMENT)
+ if (t->procType == PIPE_SHADER_VERTEX)
+ assert(index < VARYING_SLOT_MAX);
+ else if (t->procType == PIPE_SHADER_FRAGMENT)
assert(index < FRAG_RESULT_MAX);
else
- assert(index < GEOM_RESULT_MAX);
+ assert(index < VARYING_SLOT_MAX);
- assert(t->outputMapping[index] < Elements(t->outputs));
+ assert(t->outputMapping[index] < ARRAY_SIZE(t->outputs));
return t->outputs[t->outputMapping[index]];
case PROGRAM_TEMPORARY:
assert(index >= 0);
- assert(index < Elements(t->temps));
+ assert(index < ARRAY_SIZE(t->temps));
if (ureg_dst_is_undef(t->temps[index]))
t->temps[index] = ureg_DECL_temporary( t->ureg );
return ureg_src(t->temps[index]);
- case PROGRAM_NAMED_PARAM:
- case PROGRAM_ENV_PARAM:
- case PROGRAM_LOCAL_PARAM:
case PROGRAM_UNIFORM:
assert(index >= 0);
return t->constants[index];
return t->constants[index];
case PROGRAM_INPUT:
- assert(t->inputMapping[index] < Elements(t->inputs));
+ assert(t->inputMapping[index] < ARRAY_SIZE(t->inputs));
return t->inputs[t->inputMapping[index]];
case PROGRAM_OUTPUT:
- assert(t->outputMapping[index] < Elements(t->outputs));
+ assert(t->outputMapping[index] < ARRAY_SIZE(t->outputs));
return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */
case PROGRAM_ADDRESS:
return ureg_src(t->address[index]);
case PROGRAM_SYSTEM_VALUE:
- assert(index < Elements(t->systemValues));
+ assert(index < ARRAY_SIZE(t->systemValues));
return t->systemValues[index];
default:
* Map mesa texture target to TGSI texture target.
*/
unsigned
-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;
- 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_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_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;
+ 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 saturate)
{
struct ureg_dst dst = dst_register( t,
DstReg->File,
{
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 );
-}
-
-
-
-unsigned
+static unsigned
translate_opcode( unsigned op )
{
switch( op ) {
case OPCODE_ARL:
return TGSI_OPCODE_ARL;
- case OPCODE_ABS:
- return TGSI_OPCODE_ABS;
case OPCODE_ADD:
return TGSI_OPCODE_ADD;
- case OPCODE_BGNLOOP:
- return TGSI_OPCODE_BGNLOOP;
- case OPCODE_BGNSUB:
- return TGSI_OPCODE_BGNSUB;
- case OPCODE_BRA:
- return TGSI_OPCODE_BRA;
- case OPCODE_BRK:
- return TGSI_OPCODE_BRK;
- case OPCODE_CAL:
- return TGSI_OPCODE_CAL;
case OPCODE_CMP:
return TGSI_OPCODE_CMP;
- case OPCODE_CONT:
- return TGSI_OPCODE_CONT;
case OPCODE_COS:
return TGSI_OPCODE_COS;
- case OPCODE_DDX:
- return TGSI_OPCODE_DDX;
- case OPCODE_DDY:
- return TGSI_OPCODE_DDY;
- case OPCODE_DP2:
- return TGSI_OPCODE_DP2;
- case OPCODE_DP2A:
- return TGSI_OPCODE_DP2A;
case OPCODE_DP3:
return TGSI_OPCODE_DP3;
case OPCODE_DP4:
return TGSI_OPCODE_DPH;
case OPCODE_DST:
return TGSI_OPCODE_DST;
- case OPCODE_ELSE:
- return TGSI_OPCODE_ELSE;
- case OPCODE_EMIT_VERTEX:
- return TGSI_OPCODE_EMIT;
- case OPCODE_END_PRIMITIVE:
- return TGSI_OPCODE_ENDPRIM;
- case OPCODE_ENDIF:
- return TGSI_OPCODE_ENDIF;
- case OPCODE_ENDLOOP:
- return TGSI_OPCODE_ENDLOOP;
- case OPCODE_ENDSUB:
- return TGSI_OPCODE_ENDSUB;
case OPCODE_EX2:
return TGSI_OPCODE_EX2;
case OPCODE_EXP:
return TGSI_OPCODE_FLR;
case OPCODE_FRC:
return TGSI_OPCODE_FRC;
- case OPCODE_IF:
- return TGSI_OPCODE_IF;
- case OPCODE_TRUNC:
- return TGSI_OPCODE_TRUNC;
case OPCODE_KIL:
- return TGSI_OPCODE_KIL;
- case OPCODE_KIL_NV:
- return TGSI_OPCODE_KILP;
+ return TGSI_OPCODE_KILL_IF;
case OPCODE_LG2:
return TGSI_OPCODE_LG2;
case OPCODE_LOG:
return TGSI_OPCODE_MOV;
case OPCODE_MUL:
return TGSI_OPCODE_MUL;
- case OPCODE_NOP:
- return TGSI_OPCODE_NOP;
- case OPCODE_NRM3:
- return TGSI_OPCODE_NRM;
- case OPCODE_NRM4:
- return TGSI_OPCODE_NRM4;
case OPCODE_POW:
return TGSI_OPCODE_POW;
case OPCODE_RCP:
return TGSI_OPCODE_RCP;
- case OPCODE_RET:
- return TGSI_OPCODE_RET;
- case OPCODE_RSQ:
- return TGSI_OPCODE_RSQ;
case OPCODE_SCS:
return TGSI_OPCODE_SCS;
- case OPCODE_SEQ:
- return TGSI_OPCODE_SEQ;
case OPCODE_SGE:
return TGSI_OPCODE_SGE;
- case OPCODE_SGT:
- return TGSI_OPCODE_SGT;
case OPCODE_SIN:
return TGSI_OPCODE_SIN;
- case OPCODE_SLE:
- return TGSI_OPCODE_SLE;
case OPCODE_SLT:
return TGSI_OPCODE_SLT;
- case OPCODE_SNE:
- return TGSI_OPCODE_SNE;
- case OPCODE_SSG:
- return TGSI_OPCODE_SSG;
case OPCODE_SUB:
return TGSI_OPCODE_SUB;
case OPCODE_TEX:
return TGSI_OPCODE_TEX;
case OPCODE_TXB:
return TGSI_OPCODE_TXB;
- case OPCODE_TXD:
- return TGSI_OPCODE_TXD;
- case OPCODE_TXL:
- return TGSI_OPCODE_TXL;
case OPCODE_TXP:
return TGSI_OPCODE_TXP;
case OPCODE_XPD:
static void
compile_instruction(
+ struct gl_context *ctx,
struct st_translate *t,
- const struct prog_instruction *inst )
+ const struct prog_instruction *inst)
{
struct ureg_program *ureg = t->ureg;
GLuint i;
- struct ureg_dst dst[1];
+ struct ureg_dst dst[1] = { { 0 } };
struct ureg_src src[4];
unsigned num_dst;
unsigned num_src;
if (num_dst)
dst[0] = translate_dst( t,
&inst->DstReg,
- inst->SaturateMode );
+ inst->Saturate);
for (i = 0; i < num_src; i++)
src[i] = translate_src( t, &inst->SrcReg[i] );
emit_swz( t, dst[0], &inst->SrcReg[0] );
return;
- case OPCODE_BGNLOOP:
- case OPCODE_CAL:
- case OPCODE_ELSE:
- case OPCODE_ENDLOOP:
- case OPCODE_IF:
- debug_assert(num_dst == 0);
- ureg_label_insn( ureg,
- translate_opcode( inst->Opcode ),
- src, num_src,
- get_label( t, inst->BranchTarget ));
- return;
-
case OPCODE_TEX:
case OPCODE_TXB:
- case OPCODE_TXD:
- case OPCODE_TXL:
case OPCODE_TXP:
src[num_src++] = t->samplers[inst->TexSrcUnit];
ureg_tex_insn( ureg,
translate_opcode( inst->Opcode ),
dst, num_dst,
- translate_texture_target( inst->TexSrcTarget,
+ st_translate_texture_target( inst->TexSrcTarget,
inst->TexShadow ),
+ NULL, 0,
src, num_src );
return;
src, num_src );
break;
- case OPCODE_NOISE1:
- case OPCODE_NOISE2:
- case OPCODE_NOISE3:
- case OPCODE_NOISE4:
- /* At some point, a motivated person could add a better
- * implementation of noise. Currently not even the nvidia
- * binary drivers do anything more than this. In any case, the
- * place to do this is in the GL state tracker, not the poor
- * driver.
- */
- ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) );
+ case OPCODE_RSQ:
+ ureg_RSQ( ureg, dst[0], ureg_abs(src[0]) );
break;
-
- case OPCODE_DDY:
- emit_ddy( t, dst[0], &inst->SrcReg[0] );
+
+ case OPCODE_ABS:
+ ureg_MOV(ureg, dst[0], ureg_abs(src[0]));
break;
default:
* 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[FRAG_ATTRIB_WPOS]];
+ 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[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
+ *wpos = ureg_src(wpos_temp);
}
/**
- * Emit fragment position/ooordinate code.
+ * Emit fragment position/coordinate code.
*/
static void
emit_wpos(struct st_context *st,
const struct gl_program *program,
struct ureg_program *ureg)
{
- const struct gl_fragment_program *fp =
- (const struct gl_fragment_program *) program;
struct pipe_screen *pscreen = st->pipe->screen;
GLfloat adjX = 0.0f;
GLfloat adjY[2] = { 0.0f, 0.0f };
*
* The bias of the y-coordinate depends on whether y-inversion takes place
* (adjY[1]) or not (adjY[0]), which is in turn dependent on whether we are
- * drawing to an FBO (causes additional inversion), and whether the the pipe
+ * drawing to an FBO (causes additional inversion), and whether the pipe
* driver origin and the requested origin differ (the latter condition is
* stored in the 'invert' variable).
*
* u,i -> l,h: (99.0 + 0.5) * -1 + 100 = 0.5
* u,h -> l,i: (99.5 + 0.5) * -1 + 100 = 0
*/
- if (fp->OriginUpperLeft) {
+ if (program->OriginUpperLeft) {
/* Fragment shader wants origin in upper-left */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) {
/* the driver supports upper-left origin */
}
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
/* the driver supports lower-left origin, need to invert Y */
- ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ ureg_property(ureg, TGSI_PROPERTY_FS_COORD_ORIGIN,
+ TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
invert = TRUE;
}
else
/* Fragment shader wants origin in lower-left */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
/* the driver supports lower-left origin */
- ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ ureg_property(ureg, TGSI_PROPERTY_FS_COORD_ORIGIN,
+ TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT))
/* the driver supports upper-left origin, need to invert Y */
invert = TRUE;
assert(0);
}
- if (fp->PixelCenterInteger) {
+ if (program->PixelCenterInteger) {
/* Fragment shader wants pixel center integer */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
/* the driver supports pixel center integer */
adjY[1] = 1.0f;
- ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ ureg_property(ureg, TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
+ TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
}
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
/* the driver supports pixel center half integer, need to bias X,Y */
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
/* the driver supports pixel center integer, need to bias X,Y */
adjX = adjY[0] = adjY[1] = 0.5f;
- ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ ureg_property(ureg, TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
+ TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
}
else
assert(0);
/* 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[FRAG_ATTRIB_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[FRAG_ATTRIB_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[VERT_RESULT_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 )
+ const ubyte outputSemanticIndex[])
{
struct st_translate translate, *t;
unsigned i;
enum pipe_error ret = PIPE_OK;
- assert(numInputs <= Elements(t->inputs));
- assert(numOutputs <= Elements(t->outputs));
+ assert(numInputs <= ARRAY_SIZE(t->inputs));
+ assert(numOutputs <= ARRAY_SIZE(t->outputs));
t = &translate;
memset(t, 0, sizeof *t);
t->inputMapping = inputMapping;
t->outputMapping = outputMapping;
t->ureg = ureg;
- t->pointSizeOutIndex = -1;
- t->prevInstWrotePointSize = GL_FALSE;
/*_mesa_print_program(program);*/
/*
* Declare input attributes.
*/
- if (procType == TGSI_PROCESSOR_FRAGMENT) {
+ if (procType == PIPE_SHADER_FRAGMENT) {
for (i = 0; i < numInputs; i++) {
- if (program->InputFlags[0] & PROG_PARAM_BIT_CYL_WRAP) {
- t->inputs[i] = ureg_DECL_fs_input_cyl(ureg,
- inputSemanticName[i],
- inputSemanticIndex[i],
- interpMode[i],
- TGSI_CYLINDRICAL_WRAP_X);
- }
- else {
- t->inputs[i] = ureg_DECL_fs_input(ureg,
- inputSemanticName[i],
- inputSemanticIndex[i],
- interpMode[i]);
- }
+ t->inputs[i] = ureg_DECL_fs_input(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i],
+ interpMode[i]);
}
- if (program->InputsRead & FRAG_BIT_WPOS) {
+ if (program->info.inputs_read & VARYING_BIT_POS) {
/* Must do this after setting up t->inputs, and before
* emitting constant references, below:
*/
emit_wpos(st_context(ctx), t, program, ureg);
}
- if (program->InputsRead & FRAG_BIT_FACE) {
- emit_face_var( t, program );
- }
-
/*
* Declare output attributes.
*/
}
}
}
- else if (procType == TGSI_PROCESSOR_GEOMETRY) {
+ else if (procType == PIPE_SHADER_GEOMETRY) {
for (i = 0; i < numInputs; i++) {
- t->inputs[i] = ureg_DECL_gs_input(ureg,
- i,
- inputSemanticName[i],
- inputSemanticIndex[i]);
+ t->inputs[i] = ureg_DECL_input(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i], 0, 1);
}
for (i = 0; i < numOutputs; i++) {
}
}
else {
- assert(procType == TGSI_PROCESSOR_VERTEX);
+ assert(procType == PIPE_SHADER_VERTEX);
for (i = 0; i < numInputs; i++) {
t->inputs[i] = ureg_DECL_vs_input(ureg, i);
t->outputs[i] = ureg_DECL_output( ureg,
outputSemanticName[i],
outputSemanticIndex[i] );
- if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && program->Id) {
- /* Writing to the point size result register requires special
- * handling to implement clamping.
- */
- static const gl_state_index pointSizeClampState[STATE_LENGTH]
- = { STATE_INTERNAL, STATE_POINT_SIZE_IMPL_CLAMP, 0, 0, 0 };
- /* XXX: note we are modifying the incoming shader here! Need to
- * do this before emitting the constant decls below, or this
- * will be missed:
- */
- unsigned pointSizeClampConst =
- _mesa_add_state_reference(program->Parameters,
- pointSizeClampState);
- struct ureg_dst psizregtemp = ureg_DECL_temporary( ureg );
- t->pointSizeConst = ureg_DECL_constant( ureg, pointSizeClampConst );
- t->pointSizeResult = t->outputs[i];
- t->pointSizeOutIndex = i;
- t->outputs[i] = psizregtemp;
- }
+ if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
+ /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
+ ureg_MOV(ureg,
+ ureg_writemask(t->outputs[i], TGSI_WRITEMASK_YZW),
+ ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
+ t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
+ }
}
- if (passthrough_edgeflags)
- emit_edgeflags( t, program );
}
/* Declare address register.
*/
- if (program->NumAddressRegs > 0) {
- debug_assert( program->NumAddressRegs == 1 );
+ if (program->arb.NumAddressRegs > 0) {
+ debug_assert( program->arb.NumAddressRegs == 1 );
t->address[0] = ureg_DECL_address( ureg );
}
/* Declare misc input registers
*/
{
- GLbitfield sysInputs = program->SystemValuesRead;
- unsigned numSys = 0;
+ GLbitfield sysInputs = program->info.system_values_read;
+
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);
- numSys++;
+ unsigned semName = _mesa_sysval_to_semantic(i);
+
+ 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
+ * integer, and require native integer support. However, if
+ * native integer is supported on the vertex stage but not the
+ * pixel stage (e.g, i915g + draw), Mesa will generate IR that
+ * assumes these system values are floats. To resolve the
+ * inconsistency, we insert a U2F.
+ */
+ struct st_context *st = st_context(ctx);
+ struct pipe_screen *pscreen = st->pipe->screen;
+ assert(procType == PIPE_SHADER_VERTEX);
+ assert(pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_INTEGERS));
+ (void) pscreen; /* silence non-debug build warnings */
+ if (!ctx->Const.NativeIntegers) {
+ struct ureg_dst temp = ureg_DECL_local_temporary(t->ureg);
+ ureg_U2F( t->ureg, ureg_writemask(temp, TGSI_WRITEMASK_X), t->systemValues[i]);
+ t->systemValues[i] = ureg_scalar(ureg_src(temp), 0);
+ }
+ }
+
+ if (procType == PIPE_SHADER_FRAGMENT &&
+ semName == TGSI_SEMANTIC_POSITION)
+ emit_wpos(st_context(ctx), t, program, ureg);
+
sysInputs &= ~(1 << i);
}
}
}
- if (program->IndirectRegisterFiles & (1 << PROGRAM_TEMPORARY)) {
+ if (program->arb.IndirectRegisterFiles & (1 << PROGRAM_TEMPORARY)) {
/* If temps are accessed with indirect addressing, declare temporaries
* in sequential order. Else, we declare them on demand elsewhere.
*/
- for (i = 0; i < program->NumTemporaries; i++) {
+ for (i = 0; i < program->arb.NumTemporaries; i++) {
/* XXX use TGSI_FILE_TEMPORARY_ARRAY when it's supported by ureg */
t->temps[i] = ureg_DECL_temporary( t->ureg );
}
* for these, so we put all the translated regs in t->constants.
*/
if (program->Parameters) {
- t->constants = CALLOC( program->Parameters->NumParameters,
+ t->constants = calloc( program->Parameters->NumParameters,
sizeof t->constants[0] );
if (t->constants == NULL) {
ret = PIPE_ERROR_OUT_OF_MEMORY;
for (i = 0; i < program->Parameters->NumParameters; i++) {
switch (program->Parameters->Parameters[i].Type) {
- case PROGRAM_ENV_PARAM:
- case PROGRAM_LOCAL_PARAM:
case PROGRAM_STATE_VAR:
- case PROGRAM_NAMED_PARAM:
case PROGRAM_UNIFORM:
t->constants[i] = ureg_DECL_constant( ureg, i );
break;
* array.
*/
case PROGRAM_CONSTANT:
- if (program->IndirectRegisterFiles & PROGRAM_ANY_CONST)
+ if (program->arb.IndirectRegisterFiles & PROGRAM_ANY_CONST)
t->constants[i] = ureg_DECL_constant( ureg, i );
else
t->constants[i] =
}
/* texture samplers */
- for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
- if (program->SamplersUsed & (1 << i)) {
+ for (i = 0; i < ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; i++) {
+ if (program->SamplersUsed & (1u << 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);
- /* Emit each instruction in turn:
- */
- for (i = 0; i < program->NumInstructions; i++) {
- set_insn_start( t, ureg_get_instruction_number( ureg ));
- compile_instruction( t, &program->Instructions[i] );
-
- if (t->prevInstWrotePointSize && program->Id) {
- /* The previous instruction wrote to the (fake) vertex point size
- * result register. Now we need to clamp that value to the min/max
- * point size range, putting the result into the real point size
- * register.
- * Note that we can't do this easily at the end of program due to
- * possible early return.
- */
- set_insn_start( t, ureg_get_instruction_number( ureg ));
- ureg_MAX( t->ureg,
- ureg_writemask(t->outputs[t->pointSizeOutIndex], WRITEMASK_X),
- ureg_src(t->outputs[t->pointSizeOutIndex]),
- ureg_swizzle(t->pointSizeConst, 1,1,1,1));
- ureg_MIN( t->ureg, ureg_writemask(t->pointSizeResult, WRITEMASK_X),
- ureg_src(t->outputs[t->pointSizeOutIndex]),
- ureg_swizzle(t->pointSizeConst, 2,2,2,2));
}
- t->prevInstWrotePointSize = GL_FALSE;
}
- /* Fix up all emitted labels:
+ /* Emit each instruction in turn:
*/
- for (i = 0; i < t->labels_count; i++) {
- ureg_fixup_label( ureg,
- t->labels[i].token,
- t->insn[t->labels[i].branch_target] );
- }
+ for (i = 0; i < program->arb.NumInstructions; i++)
+ compile_instruction(ctx, t, &program->arb.Instructions[i]);
out:
- FREE(t->insn);
- FREE(t->labels);
- FREE(t->constants);
-
- if (t->error) {
- debug_printf("%s: translate error flag set\n", __FUNCTION__);
- }
-
+ free(t->constants);
return ret;
}
-
-
-/**
- * Tokens cannot be free with free otherwise the builtin gallium
- * malloc debugging will get confused.
- */
-void
-st_free_tokens(const struct tgsi_token *tokens)
-{
- FREE((void *)tokens);
-}
projects / mesa.git / blobdiff