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-rw-r--r--src/mesa/drivers/dri/r300/r300_context.h2
-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog.c7
-rw-r--r--src/mesa/drivers/dri/r300/r300_state.c71
-rw-r--r--src/mesa/drivers/dri/r300/r300_vertexprog.c158
4 files changed, 236 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index 2c8120ef18..dd3ecbb235 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -549,6 +549,7 @@ struct r300_stencilbuffer_state {
/* Can be tested with colormat currently. */
#define VSF_MAX_FRAGMENT_TEMPS (14)
+#define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0)
struct r300_vertex_shader_fragment {
int length;
@@ -623,6 +624,7 @@ struct r300_vertex_program {
int pos_end;
int num_temporaries; /* Number of temp vars used by program */
+ int wpos_idx;
int inputs[VERT_ATTRIB_MAX];
int outputs[VERT_RESULT_MAX];
int native;
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 7793c5eb2e..cab5451214 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -1555,6 +1555,13 @@ static void init_program(struct r300_fragment_program *rp)
}
InputsRead &= ~FRAG_BITS_TEX_ANY;
+ /* fragment position treated as a texcoord */
+ if (InputsRead & FRAG_BIT_WPOS) {
+ cs->inputs[FRAG_ATTRIB_WPOS].refcount = 0;
+ cs->inputs[FRAG_ATTRIB_WPOS].reg = get_hw_temp(rp);
+ }
+ InputsRead &= ~FRAG_BIT_WPOS;
+
/* Then primary colour */
if (InputsRead & FRAG_BIT_COL0) {
cs->inputs[FRAG_ATTRIB_COL0].refcount = 0;
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index aa49f05b51..72255066d5 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -1044,6 +1044,59 @@ r300UpdateDrawBuffer(GLcontext *ctx)
#endif
}
+static void r300FetchStateParameter(GLcontext *ctx, const enum state_index state[],
+ GLfloat *value)
+{
+ r300ContextPtr r300 = R300_CONTEXT(ctx);
+
+ switch(state[0])
+ {
+ case STATE_INTERNAL:
+ switch(state[1])
+ {
+ case STATE_R300_WINDOW_DIMENSION:
+ value[0] = r300->radeon.dri.drawable->w; /* width */
+ value[1] = r300->radeon.dri.drawable->h; /* height */
+ value[2] = 0.5F; /* for moving range [-1 1] -> [0 1] */
+ value[3] = 1.0F; /* not used */
+ break;
+ default:;
+ }
+ default:;
+ }
+}
+
+/**
+ * Update R300's own internal state parameters.
+ * For now just STATE_R300_WINDOW_DIMENSION
+ */
+static void r300UpdateStateParameters(GLcontext * ctx, GLuint new_state)
+{
+ struct r300_vertex_program_cont *vpc;
+ struct gl_program_parameter_list *paramList;
+ GLuint i;
+
+ if(!(new_state & (_NEW_BUFFERS|_NEW_PROGRAM)))
+ return;
+
+ vpc = (struct r300_vertex_program_cont *)ctx->VertexProgram._Current;
+ if (!vpc)
+ return;
+
+ paramList = vpc->mesa_program.Base.Parameters;
+
+ if (!paramList)
+ return;
+
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR){
+ r300FetchStateParameter(ctx,
+ paramList->Parameters[i].StateIndexes,
+ paramList->ParameterValues[i]);
+ }
+ }
+}
+
/* =============================================================
* Polygon state
*/
@@ -1304,6 +1357,20 @@ void r300_setup_rs_unit(GLcontext *ctx)
r300->hw.rr.cmd[R300_RR_ROUTE_1] = 0;
+ if (InputsRead & FRAG_BIT_WPOS){
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
+ if (!(InputsRead & (FRAG_BIT_TEX0 << i)))
+ break;
+
+ if(i == ctx->Const.MaxTextureUnits){
+ fprintf(stderr, "\tno free texcoord found...\n");
+ exit(0);
+ }
+
+ InputsRead |= (FRAG_BIT_TEX0 << i);
+ InputsRead &= ~FRAG_BIT_WPOS;
+ }
+
for (i=0;i<ctx->Const.MaxTextureUnits;i++) {
r300->hw.ri.cmd[R300_RI_INTERP_0+i] = 0
| R300_RS_INTERP_USED
@@ -1680,6 +1747,7 @@ void r300UpdateShaders(r300ContextPtr rmesa)
return ;
}
+ r300UpdateStateParameters(ctx, _NEW_PROGRAM);
}
}
@@ -1813,6 +1881,9 @@ static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
if (new_state & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) {
r300UpdateDrawBuffer(ctx);
}
+
+ r300UpdateStateParameters(ctx, new_state);
+
#ifndef CB_DPATH
/* Go inefficiency! */
r300ResetHwState(r300);
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c
index c38db7e17b..2492a4a3a0 100644
--- a/src/mesa/drivers/dri/r300/r300_vertexprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c
@@ -958,17 +958,155 @@ static void position_invariant(struct gl_program *prog)
assert(vpi->Opcode == OPCODE_END);
}
+static void insert_wpos(struct r300_vertex_program *vp,
+ struct gl_program *prog,
+ GLint pos)
+{
+
+ GLint tokens[6] = { STATE_INTERNAL, STATE_R300_WINDOW_DIMENSION, 0, 0, 0, 0 };
+ struct prog_instruction *vpi;
+ struct prog_instruction *vpi_insert;
+ GLuint temp_index;
+ GLuint window_index;
+ int i = 0;
+
+ vpi = malloc((prog->NumInstructions + 5) * sizeof(struct prog_instruction));
+ memcpy(vpi, prog->Instructions, (pos+1) * sizeof(struct prog_instruction));
+
+ vpi_insert = &vpi[pos];
+
+ /* make a copy before outputting VERT_RESULT_HPOS */
+ vpi_insert->DstReg.File = vpi_insert->SrcReg[2].File;
+ vpi_insert->DstReg.Index = temp_index = vpi_insert->SrcReg[2].Index;
+
+ vpi_insert++;
+ memset(vpi_insert, 0, 5 * sizeof(struct prog_instruction));
+
+ vpi_insert[i].Opcode = OPCODE_MOV;
+
+ vpi_insert[i].DstReg.File = PROGRAM_OUTPUT;
+ vpi_insert[i].DstReg.Index = VERT_RESULT_HPOS;
+ vpi_insert[i].DstReg.WriteMask = WRITEMASK_XYZW;
+ vpi_insert[i].DstReg.CondMask = COND_TR;
+
+ vpi_insert[i].SrcReg[0].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[0].Index = temp_index;
+ vpi_insert[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W);
+ i++;
+
+ /* perspective divide */
+ vpi_insert[i].Opcode = OPCODE_RCP;
+
+ vpi_insert[i].DstReg.File = PROGRAM_TEMPORARY;
+ vpi_insert[i].DstReg.Index = temp_index;
+ vpi_insert[i].DstReg.WriteMask = WRITEMASK_W;
+ vpi_insert[i].DstReg.CondMask = COND_TR;
+
+ vpi_insert[i].SrcReg[0].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[0].Index = temp_index;
+ vpi_insert[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO);
+ i++;
+
+ vpi_insert[i].Opcode = OPCODE_MUL;
+
+ vpi_insert[i].DstReg.File = PROGRAM_TEMPORARY;
+ vpi_insert[i].DstReg.Index = temp_index;
+ vpi_insert[i].DstReg.WriteMask = WRITEMASK_XYZ;
+ vpi_insert[i].DstReg.CondMask = COND_TR;
+
+ vpi_insert[i].SrcReg[0].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[0].Index = temp_index;
+ vpi_insert[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ vpi_insert[i].SrcReg[1].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[1].Index = temp_index;
+ vpi_insert[i].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_ZERO);
+ i++;
+
+ /* viewport transformation */
+ window_index = _mesa_add_state_reference(prog->Parameters, tokens);
+
+ vpi_insert[i].Opcode = OPCODE_MAD;
+
+ vpi_insert[i].DstReg.File = PROGRAM_TEMPORARY;
+ vpi_insert[i].DstReg.Index = temp_index;
+ vpi_insert[i].DstReg.WriteMask = WRITEMASK_XYZ;
+ vpi_insert[i].DstReg.CondMask = COND_TR;
+
+ vpi_insert[i].SrcReg[0].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[0].Index = temp_index;
+ vpi_insert[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ vpi_insert[i].SrcReg[1].File = PROGRAM_STATE_VAR;
+ vpi_insert[i].SrcReg[1].Index = window_index;
+ vpi_insert[i].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ vpi_insert[i].SrcReg[2].File = PROGRAM_STATE_VAR;
+ vpi_insert[i].SrcReg[2].Index = window_index;
+ vpi_insert[i].SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_ZERO);
+ i++;
+
+ vpi_insert[i].Opcode = OPCODE_MUL;
+
+ vpi_insert[i].DstReg.File = PROGRAM_OUTPUT;
+ vpi_insert[i].DstReg.Index = VERT_RESULT_TEX0+vp->wpos_idx;
+ vpi_insert[i].DstReg.WriteMask = WRITEMASK_XYZW;
+ vpi_insert[i].DstReg.CondMask = COND_TR;
+
+ vpi_insert[i].SrcReg[0].File = PROGRAM_TEMPORARY;
+ vpi_insert[i].SrcReg[0].Index = temp_index;
+ vpi_insert[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W);
+
+ vpi_insert[i].SrcReg[1].File = PROGRAM_STATE_VAR;
+ vpi_insert[i].SrcReg[1].Index = window_index;
+ vpi_insert[i].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ONE, SWIZZLE_ONE);
+ i++;
+
+ memcpy(&vpi_insert[i], &prog->Instructions[pos+1], (prog->NumInstructions-(pos+1)) * sizeof(struct prog_instruction));
+
+ free(prog->Instructions);
+
+ prog->Instructions = vpi;
+
+ prog->NumInstructions += i;
+ vpi = &prog->Instructions[prog->NumInstructions-1];
+
+ assert(vpi->Opcode == OPCODE_END);
+}
+
+static void pos_as_texcoord(struct r300_vertex_program *vp,
+ struct gl_program *prog)
+{
+ struct prog_instruction *vpi;
+ int pos = 0;
+
+ for(vpi = prog->Instructions; vpi->Opcode != OPCODE_END; vpi++, pos++){
+ if( vpi->DstReg.File == PROGRAM_OUTPUT &&
+ vpi->DstReg.Index == VERT_RESULT_HPOS ){
+ insert_wpos(vp, prog, pos);
+ break;
+ }
+ }
+
+}
+
static struct r300_vertex_program *build_program(struct r300_vertex_program_key *wanted_key,
- struct gl_vertex_program *mesa_vp)
+ struct gl_vertex_program *mesa_vp,
+ GLint wpos_idx)
{
struct r300_vertex_program *vp;
vp = _mesa_calloc(sizeof(*vp));
_mesa_memcpy(&vp->key, wanted_key, sizeof(vp->key));
+ vp->wpos_idx = wpos_idx;
+
if(mesa_vp->IsPositionInvariant)
position_invariant(&mesa_vp->Base);
+ if(wpos_idx > -1)
+ pos_as_texcoord(vp, &mesa_vp->Base);
+
assert(mesa_vp->Base.NumInstructions);
vp->num_temporaries=mesa_vp->Base.NumTemporaries;
@@ -986,12 +1124,28 @@ void r300_select_vertex_shader(r300ContextPtr r300)
GLint i;
struct r300_vertex_program_cont *vpc;
struct r300_vertex_program *vp;
+ GLint wpos_idx;
vpc = (struct r300_vertex_program_cont *)ctx->VertexProgram._Current;
InputsRead = ctx->FragmentProgram._Current->Base.InputsRead;
wanted_key.OutputsWritten |= 1 << VERT_RESULT_HPOS;
+ wpos_idx = -1;
+ if (InputsRead & FRAG_BIT_WPOS){
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
+ if (!(InputsRead & (FRAG_BIT_TEX0 << i)))
+ break;
+
+ if(i == ctx->Const.MaxTextureUnits){
+ fprintf(stderr, "\tno free texcoord found\n");
+ exit(0);
+ }
+
+ InputsRead |= (FRAG_BIT_TEX0 << i);
+ wpos_idx = i;
+ }
+
if (InputsRead & FRAG_BIT_COL0)
wanted_key.OutputsWritten |= 1 << VERT_RESULT_COL0;
@@ -1013,7 +1167,7 @@ void r300_select_vertex_shader(r300ContextPtr r300)
//_mesa_print_program(&vpc->mesa_program.Base);
- vp = build_program(&wanted_key, &vpc->mesa_program);
+ vp = build_program(&wanted_key, &vpc->mesa_program, wpos_idx);
vp->next = vpc->progs;
vpc->progs = vp;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 23:53:40 +0000