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Wii U: More work on fog

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This commit is contained in:
UnknownShadow200 2025-03-14 18:51:21 +11:00
parent c731d5770c
commit 8b51e47b19
5 changed files with 75 additions and 33 deletions
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4
misc/wiiu/assembler.sh
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@ -7,5 +7,9 @@ assemble()
}
assemble coloured_none.gsh vs_coloured.vsh ps_coloured_none.psh
assemble textured_none.gsh vs_textured.vsh ps_textured_none.psh
assemble textured_lin.gsh vs_textured.vsh ps_textured_lin.psh
assemble textured_exp.gsh vs_textured.vsh ps_textured_exp.psh
assemble textured_ofst.gsh vs_textured_offset.vsh ps_textured_none.psh

2
misc/wiiu/ps_textured_lin.psh
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@ -35,7 +35,7 @@
y: ADD R1.y, PV1.x, -C0.x
w: ADD R0.w, PV1.y, -C0.z
t: RCP_e ____, PS1
3 z: MULADD R127.z, -PS2, C1.x, 1.0f CLAMP
3 z: MULADD R127.z, -PS2, C1.y, 1.0f CLAMP
4 x: MULADD R2.x, R1.y, PV3.z, C0.x
y: MULADD R2.y, R1.x, PV3.z, C0.y
z: MULADD R2.z, R0.w, PV3.z, C0.z

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misc/wiiu/textured_exp.gsh Normal file
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misc/wiiu/textured_lin.gsh Normal file
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102
src/Graphics_WiiU.c
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@ -67,33 +67,79 @@ static void CompileFetchShaders(void) {
/*########################################################################################################################*
*---------------------------------------------------------General---------------------------------------------------------*
*---------------------------------------------------------Shaders---------------------------------------------------------*
*#########################################################################################################################*/
extern const uint8_t coloured_none_gsh[];
extern const uint8_t textured_none_gsh[];
extern const uint8_t textured_lin_gsh[];
extern const uint8_t textured_exp_gsh[];
extern const uint8_t textured_ofst_gsh[];
#define VS_UNI_OFFSET_MVP 0
#define VS_UNI_COUNT_MVP 16
#define VS_UNI_OFFSET_OFST 16
#define VS_UNI_COUNT_OFST 4
#define PS_UNI_OFFSET_COLOR 0
#define PS_UNI_COUNT_COLOR 4
#define PS_UNI_OFFSET_FOG 4
#define PS_UNI_COUNT_FOG 4
static GX2VertexShader *texture_VS, *colour_VS, *offset_VS;
static GX2PixelShader *texture_PS, *colour_PS;
static GX2PixelShader *texture_PS[3], *colour_PS[3];
static GX2Sampler sampler;
static GfxResourceID white_square;
static GX2VertexShader* cur_VS;
static GX2PixelShader* cur_PS;
static int fog_func;
static void InitGfx(void) {
CompileFetchShaders();
GX2InitSampler(&sampler, GX2_TEX_CLAMP_MODE_WRAP, GX2_TEX_XY_FILTER_MODE_POINT);
colour_VS = WHBGfxLoadGFDVertexShader(0, coloured_none_gsh);
colour_PS = WHBGfxLoadGFDPixelShader(0, coloured_none_gsh);
colour_PS[0] = WHBGfxLoadGFDPixelShader(0, coloured_none_gsh);
texture_VS = WHBGfxLoadGFDVertexShader(0, textured_none_gsh);
texture_PS = WHBGfxLoadGFDPixelShader(0, textured_none_gsh);
offset_VS = WHBGfxLoadGFDVertexShader(0, textured_ofst_gsh);
texture_PS[0] = WHBGfxLoadGFDPixelShader(0, textured_none_gsh);
texture_PS[1] = WHBGfxLoadGFDPixelShader(0, textured_lin_gsh);
texture_PS[2] = WHBGfxLoadGFDPixelShader(0, textured_exp_gsh);
}
static struct Vec4 texOffset;
static void UpdateVS(void) {
if (gfx_format != VERTEX_FORMAT_TEXTURED) {
cur_VS = colour_VS;
} else if (texOffset.x || texOffset.y) {
cur_VS = offset_VS;
} else {
cur_VS = texture_VS;
}
GX2SetVertexShader(cur_VS);
}
static void UpdatePS(void) {
if (gfx_format != VERTEX_FORMAT_TEXTURED) {
cur_PS = colour_PS[0];
/*} else if (gfx_fogEnabled && fog_func == FOG_EXP) {
cur_PS = texture_PS[2];
} else if (gfx_fogEnabled && fog_func == FOG_LINEAR) {
cur_PS = texture_PS[1];
} */else {
cur_PS = texture_PS[0];
}
GX2SetPixelShader(cur_PS);
}
/*########################################################################################################################*
*---------------------------------------------------------General---------------------------------------------------------*
*#########################################################################################################################*/
void Gfx_Create(void) {
if (!Gfx.Created) InitGfx();
@ -211,23 +257,36 @@ void Gfx_SetFaceCulling(cc_bool enabled) {
}
void Gfx_SetFog(cc_bool enabled) {
// TODO
gfx_fogEnabled = enabled;
UpdatePS();
}
void Gfx_SetFogCol(PackedCol color) {
// TODO
struct Vec4 c = {
PackedCol_R(color) / 255.0f,
PackedCol_G(color) / 255.0f,
PackedCol_B(color) / 255.0f,
1.0f
};
GX2SetPixelUniformReg(PS_UNI_OFFSET_COLOR, PS_UNI_COUNT_COLOR, &c);
}
static struct Vec4 fogValue;
void Gfx_SetFogDensity(float value) {
// TODO
fogValue.x = value;
GX2SetPixelUniformReg(PS_UNI_OFFSET_FOG, PS_UNI_COUNT_FOG, &fogValue);
}
void Gfx_SetFogEnd(float value) {
fogValue.y = 1.0f / value;
GX2SetPixelUniformReg(PS_UNI_OFFSET_FOG, PS_UNI_COUNT_FOG, &fogValue);
// TODO
}
void Gfx_SetFogMode(FogFunc func) {
// TODO
fog_func = func;
UpdatePS();
}
static void SetAlphaTest(cc_bool enabled) {
@ -357,27 +416,6 @@ void Gfx_UnlockDynamicVb(GfxResourceID vb) { Gfx_UnlockVb(vb); Gfx_BindVb(vb);
/*########################################################################################################################*
*-----------------------------------------------------Vertex rendering----------------------------------------------------*
*#########################################################################################################################*/
static struct Vec4 texOffset;
static void UpdateVS(void) {
if (gfx_format != VERTEX_FORMAT_TEXTURED) {
cur_VS = colour_VS;
} else if (texOffset.x || texOffset.y) {
cur_VS = offset_VS;
} else {
cur_VS = texture_VS;
}
GX2SetVertexShader(cur_VS);
if (cur_VS != offset_VS) return;
GX2SetVertexUniformReg(cur_VS->uniformVars[1].offset, 4, &texOffset);
}
static void UpdatePS(void) {
cur_PS = gfx_format == VERTEX_FORMAT_TEXTURED ? texture_PS : colour_PS;
GX2SetPixelShader(cur_PS);
}
void Gfx_SetVertexFormat(VertexFormat fmt) {
if (fmt == gfx_format) return;
gfx_format = fmt;
@ -419,10 +457,8 @@ void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
if (type == MATRIX_VIEW) _view = *matrix;
if (type == MATRIX_PROJ) _proj = *matrix;
// TODO dirty uniform
Matrix_Mul(&_mvp, &_view, &_proj);
if (!cur_VS) return;
GX2SetVertexUniformReg(cur_VS->uniformVars[0].offset, 16, &_mvp);
GX2SetVertexUniformReg(VS_UNI_OFFSET_MVP, VS_UNI_COUNT_MVP, &_mvp);
}
void Gfx_LoadMVP(const struct Matrix* view, const struct Matrix* proj, struct Matrix* mvp) {
@ -434,7 +470,9 @@ void Gfx_LoadMVP(const struct Matrix* view, const struct Matrix* proj, struct Ma
void Gfx_EnableTextureOffset(float x, float y) {
texOffset.x = x;
texOffset.y = y;
UpdateVS();
GX2SetVertexUniformReg(VS_UNI_OFFSET_OFST, VS_UNI_COUNT_OFST, &texOffset);
}
void Gfx_DisableTextureOffset(void) {