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nv2a: Move PSH definitions to psh_regs.h

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This commit is contained in:
Matt Borgerson
2025-06-28 00:18:28 -07:00
committed by mborgerson
parent 4e6c6518f9
commit fc28b9c817
2 changed files with 136 additions and 145 deletions
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hw/xbox/nv2a/pgraph/glsl/psh.c
-145
View File
@@ -211,151 +211,6 @@ void pgraph_set_psh_state(PGRAPHState *pg, PshState *state)
}
}
/*
* This implements translation of register combiners into glsl
* fragment shaders, but all terminology is in terms of Xbox DirectX
* pixel shaders, since I wanted to be lazy while referencing existing
* work / stealing code.
*
* For some background, see the OpenGL extension:
* https://www.opengl.org/registry/specs/NV/register_combiners.txt
*/
enum PS_TEXTUREMODES
{ // valid in stage 0 1 2 3
PS_TEXTUREMODES_NONE= 0x00L, // * * * *
PS_TEXTUREMODES_PROJECT2D= 0x01L, // * * * *
PS_TEXTUREMODES_PROJECT3D= 0x02L, // * * * *
PS_TEXTUREMODES_CUBEMAP= 0x03L, // * * * *
PS_TEXTUREMODES_PASSTHRU= 0x04L, // * * * *
PS_TEXTUREMODES_CLIPPLANE= 0x05L, // * * * *
PS_TEXTUREMODES_BUMPENVMAP= 0x06L, // - * * *
PS_TEXTUREMODES_BUMPENVMAP_LUM= 0x07L, // - * * *
PS_TEXTUREMODES_BRDF= 0x08L, // - - * *
PS_TEXTUREMODES_DOT_ST= 0x09L, // - - * *
PS_TEXTUREMODES_DOT_ZW= 0x0aL, // - - * *
PS_TEXTUREMODES_DOT_RFLCT_DIFF= 0x0bL, // - - * -
PS_TEXTUREMODES_DOT_RFLCT_SPEC= 0x0cL, // - - - *
PS_TEXTUREMODES_DOT_STR_3D= 0x0dL, // - - - *
PS_TEXTUREMODES_DOT_STR_CUBE= 0x0eL, // - - - *
PS_TEXTUREMODES_DPNDNT_AR= 0x0fL, // - * * *
PS_TEXTUREMODES_DPNDNT_GB= 0x10L, // - * * *
PS_TEXTUREMODES_DOTPRODUCT= 0x11L, // - * * -
PS_TEXTUREMODES_DOT_RFLCT_SPEC_CONST= 0x12L, // - - - *
// 0x13-0x1f reserved
};
enum PS_INPUTMAPPING
{
PS_INPUTMAPPING_UNSIGNED_IDENTITY= 0x00L, // max(0,x) OK for final combiner
PS_INPUTMAPPING_UNSIGNED_INVERT= 0x20L, // 1 - max(0,x) OK for final combiner
PS_INPUTMAPPING_EXPAND_NORMAL= 0x40L, // 2*max(0,x) - 1 invalid for final combiner
PS_INPUTMAPPING_EXPAND_NEGATE= 0x60L, // 1 - 2*max(0,x) invalid for final combiner
PS_INPUTMAPPING_HALFBIAS_NORMAL= 0x80L, // max(0,x) - 1/2 invalid for final combiner
PS_INPUTMAPPING_HALFBIAS_NEGATE= 0xa0L, // 1/2 - max(0,x) invalid for final combiner
PS_INPUTMAPPING_SIGNED_IDENTITY= 0xc0L, // x invalid for final combiner
PS_INPUTMAPPING_SIGNED_NEGATE= 0xe0L, // -x invalid for final combiner
};
enum PS_REGISTER
{
PS_REGISTER_ZERO= 0x00L, // r
PS_REGISTER_DISCARD= 0x00L, // w
PS_REGISTER_C0= 0x01L, // r
PS_REGISTER_C1= 0x02L, // r
PS_REGISTER_FOG= 0x03L, // r
PS_REGISTER_V0= 0x04L, // r/w
PS_REGISTER_V1= 0x05L, // r/w
PS_REGISTER_T0= 0x08L, // r/w
PS_REGISTER_T1= 0x09L, // r/w
PS_REGISTER_T2= 0x0aL, // r/w
PS_REGISTER_T3= 0x0bL, // r/w
PS_REGISTER_R0= 0x0cL, // r/w
PS_REGISTER_R1= 0x0dL, // r/w
PS_REGISTER_V1R0_SUM= 0x0eL, // r
PS_REGISTER_EF_PROD= 0x0fL, // r
PS_REGISTER_ONE= PS_REGISTER_ZERO | PS_INPUTMAPPING_UNSIGNED_INVERT, // OK for final combiner
PS_REGISTER_NEGATIVE_ONE= PS_REGISTER_ZERO | PS_INPUTMAPPING_EXPAND_NORMAL, // invalid for final combiner
PS_REGISTER_ONE_HALF= PS_REGISTER_ZERO | PS_INPUTMAPPING_HALFBIAS_NEGATE, // invalid for final combiner
PS_REGISTER_NEGATIVE_ONE_HALF= PS_REGISTER_ZERO | PS_INPUTMAPPING_HALFBIAS_NORMAL, // invalid for final combiner
};
enum PS_COMBINERCOUNTFLAGS
{
PS_COMBINERCOUNT_MUX_LSB= 0x0000L, // mux on r0.a lsb
PS_COMBINERCOUNT_MUX_MSB= 0x0001L, // mux on r0.a msb
PS_COMBINERCOUNT_SAME_C0= 0x0000L, // c0 same in each stage
PS_COMBINERCOUNT_UNIQUE_C0= 0x0010L, // c0 unique in each stage
PS_COMBINERCOUNT_SAME_C1= 0x0000L, // c1 same in each stage
PS_COMBINERCOUNT_UNIQUE_C1= 0x0100L // c1 unique in each stage
};
enum PS_COMBINEROUTPUT
{
PS_COMBINEROUTPUT_IDENTITY= 0x00L, // y = x
PS_COMBINEROUTPUT_BIAS= 0x08L, // y = x - 0.5
PS_COMBINEROUTPUT_SHIFTLEFT_1= 0x10L, // y = x*2
PS_COMBINEROUTPUT_SHIFTLEFT_1_BIAS= 0x18L, // y = (x - 0.5)*2
PS_COMBINEROUTPUT_SHIFTLEFT_2= 0x20L, // y = x*4
PS_COMBINEROUTPUT_SHIFTRIGHT_1= 0x30L, // y = x/2
PS_COMBINEROUTPUT_AB_BLUE_TO_ALPHA= 0x80L, // RGB only
PS_COMBINEROUTPUT_CD_BLUE_TO_ALPHA= 0x40L, // RGB only
PS_COMBINEROUTPUT_AB_MULTIPLY= 0x00L,
PS_COMBINEROUTPUT_AB_DOT_PRODUCT= 0x02L, // RGB only
PS_COMBINEROUTPUT_CD_MULTIPLY= 0x00L,
PS_COMBINEROUTPUT_CD_DOT_PRODUCT= 0x01L, // RGB only
PS_COMBINEROUTPUT_AB_CD_SUM= 0x00L, // 3rd output is AB+CD
PS_COMBINEROUTPUT_AB_CD_MUX= 0x04L, // 3rd output is MUX(AB,CD) based on R0.a
};
enum PS_CHANNEL
{
PS_CHANNEL_RGB= 0x00, // used as RGB source
PS_CHANNEL_BLUE= 0x00, // used as ALPHA source
PS_CHANNEL_ALPHA= 0x10, // used as RGB or ALPHA source
};
enum PS_FINALCOMBINERSETTING
{
PS_FINALCOMBINERSETTING_CLAMP_SUM= 0x80, // V1+R0 sum clamped to [0,1]
PS_FINALCOMBINERSETTING_COMPLEMENT_V1= 0x40, // unsigned invert mapping
PS_FINALCOMBINERSETTING_COMPLEMENT_R0= 0x20, // unsigned invert mapping
};
enum PS_DOTMAPPING
{ // valid in stage 0 1 2 3
PS_DOTMAPPING_ZERO_TO_ONE= 0x00L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1_D3D= 0x01L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1_GL= 0x02L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1= 0x03L, // - * * *
PS_DOTMAPPING_HILO_1= 0x04L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE_D3D= 0x05L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE_GL= 0x06L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE= 0x07L, // - * * *
};
enum PS_COLORKEYMODE {
COLOR_KEY_NONE = 0,
COLOR_KEY_KILL_ALPHA = 1,
COLOR_KEY_KILL_COLOR_AND_ALPHA = 2,
COLOR_KEY_DISCARD = 3,
};
// Structures to describe the PS definition
struct InputInfo {
int reg, mod, chan;
};
hw/xbox/nv2a/pgraph/psh_regs.h
+136
View File
@@ -23,6 +23,142 @@
#include <stdint.h>
#include <stdbool.h>
/*
* For some background, see the OpenGL extension:
* https://www.opengl.org/registry/specs/NV/register_combiners.txt
*/
enum PS_TEXTUREMODES
{ // valid in stage 0 1 2 3
PS_TEXTUREMODES_NONE= 0x00L, // * * * *
PS_TEXTUREMODES_PROJECT2D= 0x01L, // * * * *
PS_TEXTUREMODES_PROJECT3D= 0x02L, // * * * *
PS_TEXTUREMODES_CUBEMAP= 0x03L, // * * * *
PS_TEXTUREMODES_PASSTHRU= 0x04L, // * * * *
PS_TEXTUREMODES_CLIPPLANE= 0x05L, // * * * *
PS_TEXTUREMODES_BUMPENVMAP= 0x06L, // - * * *
PS_TEXTUREMODES_BUMPENVMAP_LUM= 0x07L, // - * * *
PS_TEXTUREMODES_BRDF= 0x08L, // - - * *
PS_TEXTUREMODES_DOT_ST= 0x09L, // - - * *
PS_TEXTUREMODES_DOT_ZW= 0x0aL, // - - * *
PS_TEXTUREMODES_DOT_RFLCT_DIFF= 0x0bL, // - - * -
PS_TEXTUREMODES_DOT_RFLCT_SPEC= 0x0cL, // - - - *
PS_TEXTUREMODES_DOT_STR_3D= 0x0dL, // - - - *
PS_TEXTUREMODES_DOT_STR_CUBE= 0x0eL, // - - - *
PS_TEXTUREMODES_DPNDNT_AR= 0x0fL, // - * * *
PS_TEXTUREMODES_DPNDNT_GB= 0x10L, // - * * *
PS_TEXTUREMODES_DOTPRODUCT= 0x11L, // - * * -
PS_TEXTUREMODES_DOT_RFLCT_SPEC_CONST= 0x12L, // - - - *
// 0x13-0x1f reserved
};
enum PS_INPUTMAPPING
{
PS_INPUTMAPPING_UNSIGNED_IDENTITY= 0x00L, // max(0,x) OK for final combiner
PS_INPUTMAPPING_UNSIGNED_INVERT= 0x20L, // 1 - max(0,x) OK for final combiner
PS_INPUTMAPPING_EXPAND_NORMAL= 0x40L, // 2*max(0,x) - 1 invalid for final combiner
PS_INPUTMAPPING_EXPAND_NEGATE= 0x60L, // 1 - 2*max(0,x) invalid for final combiner
PS_INPUTMAPPING_HALFBIAS_NORMAL= 0x80L, // max(0,x) - 1/2 invalid for final combiner
PS_INPUTMAPPING_HALFBIAS_NEGATE= 0xa0L, // 1/2 - max(0,x) invalid for final combiner
PS_INPUTMAPPING_SIGNED_IDENTITY= 0xc0L, // x invalid for final combiner
PS_INPUTMAPPING_SIGNED_NEGATE= 0xe0L, // -x invalid for final combiner
};
enum PS_REGISTER
{
PS_REGISTER_ZERO= 0x00L, // r
PS_REGISTER_DISCARD= 0x00L, // w
PS_REGISTER_C0= 0x01L, // r
PS_REGISTER_C1= 0x02L, // r
PS_REGISTER_FOG= 0x03L, // r
PS_REGISTER_V0= 0x04L, // r/w
PS_REGISTER_V1= 0x05L, // r/w
PS_REGISTER_T0= 0x08L, // r/w
PS_REGISTER_T1= 0x09L, // r/w
PS_REGISTER_T2= 0x0aL, // r/w
PS_REGISTER_T3= 0x0bL, // r/w
PS_REGISTER_R0= 0x0cL, // r/w
PS_REGISTER_R1= 0x0dL, // r/w
PS_REGISTER_V1R0_SUM= 0x0eL, // r
PS_REGISTER_EF_PROD= 0x0fL, // r
PS_REGISTER_ONE= PS_REGISTER_ZERO | PS_INPUTMAPPING_UNSIGNED_INVERT, // OK for final combiner
PS_REGISTER_NEGATIVE_ONE= PS_REGISTER_ZERO | PS_INPUTMAPPING_EXPAND_NORMAL, // invalid for final combiner
PS_REGISTER_ONE_HALF= PS_REGISTER_ZERO | PS_INPUTMAPPING_HALFBIAS_NEGATE, // invalid for final combiner
PS_REGISTER_NEGATIVE_ONE_HALF= PS_REGISTER_ZERO | PS_INPUTMAPPING_HALFBIAS_NORMAL, // invalid for final combiner
};
enum PS_COMBINERCOUNTFLAGS
{
PS_COMBINERCOUNT_MUX_LSB= 0x0000L, // mux on r0.a lsb
PS_COMBINERCOUNT_MUX_MSB= 0x0001L, // mux on r0.a msb
PS_COMBINERCOUNT_SAME_C0= 0x0000L, // c0 same in each stage
PS_COMBINERCOUNT_UNIQUE_C0= 0x0010L, // c0 unique in each stage
PS_COMBINERCOUNT_SAME_C1= 0x0000L, // c1 same in each stage
PS_COMBINERCOUNT_UNIQUE_C1= 0x0100L // c1 unique in each stage
};
enum PS_COMBINEROUTPUT
{
PS_COMBINEROUTPUT_IDENTITY= 0x00L, // y = x
PS_COMBINEROUTPUT_BIAS= 0x08L, // y = x - 0.5
PS_COMBINEROUTPUT_SHIFTLEFT_1= 0x10L, // y = x*2
PS_COMBINEROUTPUT_SHIFTLEFT_1_BIAS= 0x18L, // y = (x - 0.5)*2
PS_COMBINEROUTPUT_SHIFTLEFT_2= 0x20L, // y = x*4
PS_COMBINEROUTPUT_SHIFTRIGHT_1= 0x30L, // y = x/2
PS_COMBINEROUTPUT_AB_BLUE_TO_ALPHA= 0x80L, // RGB only
PS_COMBINEROUTPUT_CD_BLUE_TO_ALPHA= 0x40L, // RGB only
PS_COMBINEROUTPUT_AB_MULTIPLY= 0x00L,
PS_COMBINEROUTPUT_AB_DOT_PRODUCT= 0x02L, // RGB only
PS_COMBINEROUTPUT_CD_MULTIPLY= 0x00L,
PS_COMBINEROUTPUT_CD_DOT_PRODUCT= 0x01L, // RGB only
PS_COMBINEROUTPUT_AB_CD_SUM= 0x00L, // 3rd output is AB+CD
PS_COMBINEROUTPUT_AB_CD_MUX= 0x04L, // 3rd output is MUX(AB,CD) based on R0.a
};
enum PS_CHANNEL
{
PS_CHANNEL_RGB= 0x00, // used as RGB source
PS_CHANNEL_BLUE= 0x00, // used as ALPHA source
PS_CHANNEL_ALPHA= 0x10, // used as RGB or ALPHA source
};
enum PS_FINALCOMBINERSETTING
{
PS_FINALCOMBINERSETTING_CLAMP_SUM= 0x80, // V1+R0 sum clamped to [0,1]
PS_FINALCOMBINERSETTING_COMPLEMENT_V1= 0x40, // unsigned invert mapping
PS_FINALCOMBINERSETTING_COMPLEMENT_R0= 0x20, // unsigned invert mapping
};
enum PS_DOTMAPPING
{ // valid in stage 0 1 2 3
PS_DOTMAPPING_ZERO_TO_ONE= 0x00L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1_D3D= 0x01L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1_GL= 0x02L, // - * * *
PS_DOTMAPPING_MINUS1_TO_1= 0x03L, // - * * *
PS_DOTMAPPING_HILO_1= 0x04L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE_D3D= 0x05L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE_GL= 0x06L, // - * * *
PS_DOTMAPPING_HILO_HEMISPHERE= 0x07L, // - * * *
};
enum PS_COLORKEYMODE {
COLOR_KEY_NONE = 0,
COLOR_KEY_KILL_ALPHA = 1,
COLOR_KEY_KILL_COLOR_AND_ALPHA = 2,
COLOR_KEY_DISCARD = 3,
};
enum PshAlphaFunc {
ALPHA_FUNC_NEVER,
ALPHA_FUNC_LESS,