Commit e38f677e authored by Brian Paul's avatar Brian Paul

gallium: finish-up and fix support for GL_COLOR matrix on pixel xfer path

parent 302daeb2
......@@ -50,6 +50,7 @@ struct state_key
{
GLuint scaleAndBias:1;
GLuint colorMatrix:1;
GLuint colorMatrixPostScaleBias:1;
#if 0
GLfloat Maps[3][256][4];
......@@ -80,6 +81,9 @@ is_identity(const GLfloat m[16])
static void
make_state_key(GLcontext *ctx, struct state_key *key)
{
static const GLfloat zero[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
static const GLfloat one[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
memset(key, 0, sizeof(*key));
if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 ||
......@@ -92,8 +96,12 @@ make_state_key(GLcontext *ctx, struct state_key *key)
if (!is_identity(ctx->ColorMatrixStack.Top->m)) {
key->colorMatrix = 1;
}
}
if (!TEST_EQ_4V(ctx->Pixel.PostColorMatrixScale, one) ||
!TEST_EQ_4V(ctx->Pixel.PostColorMatrixBias, zero)) {
key->colorMatrixPostScaleBias = 1;
}
}
......@@ -182,64 +190,87 @@ get_pixel_transfer_program(GLcontext *ctx, const struct state_key *key)
GLint row3_p = _mesa_add_state_reference(params, row3_state);
const GLuint temp = 1;
/* MOV temp, colorTemp; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_MOV;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = temp;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = colorTemp;
ic++;
/* XXX reimplement in terms of MUL/MAD (see t_vp_build.c) */
/* DP4 colorTemp.x, temp, matrow0; */
/* DP4 temp.x, colorTemp, matrow0; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = colorTemp;
inst[ic].DstReg.Index = temp;
inst[ic].DstReg.WriteMask = WRITEMASK_X;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = temp;
inst[ic].SrcReg[0].Index = colorTemp;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row0_p;
ic++;
/* DP4 colorTemp.y, temp, matrow1; */
/* DP4 temp.y, colorTemp, matrow1; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = colorTemp;
inst[ic].DstReg.Index = temp;
inst[ic].DstReg.WriteMask = WRITEMASK_Y;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = temp;
inst[ic].SrcReg[0].Index = colorTemp;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row1_p;
ic++;
/* DP4 colorTemp.z, temp, matrow2; */
/* DP4 temp.z, colorTemp, matrow2; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = colorTemp;
inst[ic].DstReg.Index = temp;
inst[ic].DstReg.WriteMask = WRITEMASK_Z;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = temp;
inst[ic].SrcReg[0].Index = colorTemp;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row2_p;
ic++;
/* DP4 colorTemp.w, temp, matrow3; */
/* DP4 temp.w, colorTemp, matrow3; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_DP4;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index =colorTemp;
inst[ic].DstReg.Index = temp;
inst[ic].DstReg.WriteMask = WRITEMASK_W;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = temp;
inst[ic].SrcReg[0].Index = colorTemp;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = row3_p;
ic++;
/* MOV colorTemp, temp; */
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_MOV;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = colorTemp;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = temp;
ic++;
}
if (key->colorMatrixPostScaleBias) {
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 };
GLint scale_param, bias_param;
scale_param = _mesa_add_state_reference(params, scale_state);
bias_param = _mesa_add_state_reference(params, bias_state);
_mesa_init_instructions(inst + ic, 1);
inst[ic].Opcode = OPCODE_MAD;
inst[ic].DstReg.File = PROGRAM_TEMPORARY;
inst[ic].DstReg.Index = colorTemp;
inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
inst[ic].SrcReg[0].Index = colorTemp;
inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[1].Index = scale_param;
inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR;
inst[ic].SrcReg[2].Index = bias_param;
ic++;
}
/* Modify last instruction's dst reg to write to result.color */
......
......@@ -164,6 +164,7 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.NV_blend_square = GL_TRUE;
ctx->Extensions.NV_texgen_reflection = GL_TRUE;
ctx->Extensions.SGI_color_matrix = GL_TRUE;
ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; /* XXX temp */
/*
......
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