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color matrix

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This commit is contained in:
Brian 2007-10-30 13:54:24 -06:00
parent 0abd1fca91
commit 4836217850
1 changed files with 86 additions and 15 deletions
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101
src/mesa/state_tracker/st_atom_pixeltransfer.c
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@ -104,7 +104,7 @@ make_state_key(GLcontext *ctx, struct state_key *key)
* Returns a fragment program which implements the current pixel transfer ops.
*/
static struct gl_fragment_program *
get_pixel_transfer_program(GLcontext *ctx)
get_pixel_transfer_program(GLcontext *ctx, const struct state_key *key)
{
struct prog_instruction inst[MAX_INST];
struct gl_program_parameter_list *params;
@ -132,12 +132,14 @@ get_pixel_transfer_program(GLcontext *ctx)
fp->Base.OutputsWritten = (1 << FRAG_RESULT_COLR);
/* MAD result.color, result.color, scale, bias; */
if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 ||
ctx->Pixel.GreenBias != 0.0 || ctx->Pixel.GreenScale != 1.0 ||
ctx->Pixel.BlueBias != 0.0 || ctx->Pixel.BlueScale != 1.0 ||
ctx->Pixel.AlphaBias != 0.0 || ctx->Pixel.AlphaScale != 1.0) {
if (key->scaleAndBias) {
static const gl_state_index scale_state[STATE_LENGTH] =
{ STATE_INTERNAL, STATE_PT_SCALE, 0, 0, 0 };
static const gl_state_index bias_state[STATE_LENGTH] =
{ STATE_INTERNAL, STATE_PT_BIAS, 0, 0, 0 };
GLfloat scale[4], bias[4];
GLint scale_p, bias_p;
scale[0] = ctx->Pixel.RedScale;
scale[1] = ctx->Pixel.GreenScale;
scale[2] = ctx->Pixel.BlueScale;
@ -147,8 +149,8 @@ get_pixel_transfer_program(GLcontext *ctx)
bias[2] = ctx->Pixel.BlueBias;
bias[3] = ctx->Pixel.AlphaBias;
scale_p = _mesa_add_named_constant(params, "RGBA_scale", scale, 4);
bias_p = _mesa_add_named_constant(params, "RGBA_bias", bias, 4);
scale_p = _mesa_add_state_reference(params, scale_state);
bias_p = _mesa_add_state_reference(params, bias_state);
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_MAD;
@ -156,13 +158,86 @@ get_pixel_transfer_program(GLcontext *ctx)
inst[ic].DstReg.Index = FRAG_RESULT_COLR;
inst[ic].SrcReg[0].File = PROGRAM_OUTPUT;
inst[ic].SrcReg[0].Index = FRAG_RESULT_COLR;
inst[ic].SrcReg[1].File = PROGRAM_CONSTANT;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = scale_p;
inst[ic].SrcReg[2].File = PROGRAM_CONSTANT;
inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[2].Index = bias_p;
ic++;
}
if (key->colorMatrix) {
static const gl_state_index row0_state[STATE_LENGTH] =
{ STATE_COLOR_MATRIX, 0, 0, 0, 0 };
static const gl_state_index row1_state[STATE_LENGTH] =
{ STATE_COLOR_MATRIX, 0, 1, 1, 0 };
static const gl_state_index row2_state[STATE_LENGTH] =
{ STATE_COLOR_MATRIX, 0, 2, 2, 0 };
static const gl_state_index row3_state[STATE_LENGTH] =
{ STATE_COLOR_MATRIX, 0, 3, 3, 0 };
GLint row0_p = _mesa_add_state_reference(params, row0_state);
GLint row1_p = _mesa_add_state_reference(params, row1_state);
GLint row2_p = _mesa_add_state_reference(params, row2_state);
GLint row3_p = _mesa_add_state_reference(params, row3_state);
/* MOV temp0, result.color; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_MOV;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = 0;
inst[ic].SrcReg[0].File = PROGRAM_OUTPUT;
inst[ic].SrcReg[0].Index = FRAG_RESULT_COLR;
ic++;
/* DP4 result.color.x, tmp0, matrow0; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_OUTPUT;
inst[ic].DstReg.Index = FRAG_RESULT_COLR;
inst[ic].DstReg.WriteMask = WRITEMASK_X;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = 0;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row0_p;
ic++;
/* DP4 result.color.y, tmp0, matrow1; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_OUTPUT;
inst[ic].DstReg.Index = FRAG_RESULT_COLR;
inst[ic].DstReg.WriteMask = WRITEMASK_Y;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = 0;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row1_p;
ic++;
/* DP4 result.color.z, tmp0, matrow2; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_OUTPUT;
inst[ic].DstReg.Index = FRAG_RESULT_COLR;
inst[ic].DstReg.WriteMask = WRITEMASK_Z;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = 0;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row2_p;
ic++;
/* DP4 result.color.w, tmp0, matrow3; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_OUTPUT;
inst[ic].DstReg.Index = FRAG_RESULT_COLR;
inst[ic].DstReg.WriteMask = WRITEMASK_W;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = 0;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row3_p;
ic++;
}
/* END; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_END;
@ -204,14 +279,10 @@ update_pixel_transfer(struct st_context *st)
fp = (struct gl_fragment_program *)
_mesa_search_program_cache(st->pixel_transfer_cache, &key, sizeof(key));
if (!fp) {
printf("Cached program not found\n");
fp = get_pixel_transfer_program(st->ctx);
fp = get_pixel_transfer_program(st->ctx, &key);
_mesa_program_cache_insert(st->ctx, st->pixel_transfer_cache,
&key, sizeof(key), &fp->Base);
}
else {
printf("Use cached program\n");
}
st->pixel_transfer_program = fp;
}
@ -221,7 +292,7 @@ update_pixel_transfer(struct st_context *st)
const struct st_tracked_state st_update_pixel_transfer = {
.name = "st_update_pixel_transfer",
.dirty = {
.mesa = _NEW_PIXEL,
.mesa = _NEW_PIXEL | _NEW_COLOR_MATRIX,
.st = 0,
},
.update = update_pixel_transfer