From d43693f3ddf4345b3b77c8452f6442b769acaa0e Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Tue, 9 Apr 2024 20:34:58 +1000
Subject: [PATCH] WiiU: WIP graphics stuff, doesn't actually work though

---
 misc/wiiu/Makefile     |  12 +++++--
 misc/wiiu/coloured.gsh | Bin 1144 -> 1312 bytes
 misc/wiiu/coloured.vsh |   5 +--
 misc/wiiu/textured.gsh | Bin 0 -> 1780 bytes
 misc/wiiu/textured.vsh |   7 ++--
 src/Graphics_WiiU.c    |  72 +++++++++++++++++++++++++++++++++++++----
 6 files changed, 77 insertions(+), 19 deletions(-)
 create mode 100644 misc/wiiu/textured.gsh

diff --git a/misc/wiiu/Makefile b/misc/wiiu/Makefile
index cf8bb2396..9af30ecae 100644
--- a/misc/wiiu/Makefile
+++ b/misc/wiiu/Makefile
@@ -32,7 +32,8 @@ include $(DEVKITPRO)/wut/share/wut_rules
 #-------------------------------------------------------------------------------
 TARGET		:=	ClassiCube-wiiu
 BUILD		:=	build-wiiu
-SOURCES		:=	src misc/wiiu third_party/bearssl/src
+SOURCES		:=	src third_party/bearssl/src
+SHADERS		:=	misc/wiiu
 DATA		:=	data
 INCLUDES	:=	third_party/bearssl/inc
 CONTENT		:=
@@ -78,7 +79,8 @@ export DEPSDIR	:=	$(CURDIR)/$(BUILD)
 
 CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
-BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) \
+				$(foreach dir,$(SHADERS),$(notdir $(wildcard $(dir)/*.gsh)))
 
 export LD	:=	$(CC)
 
@@ -152,13 +154,17 @@ $(OUTPUT).elf	:	$(OFILES)
 
 $(OFILES_SRC)	: $(HFILES_BIN)
 
-#-------------------------------------------------------------------------------
 # you need a rule like this for each extension you use as binary data
 #-------------------------------------------------------------------------------
 %.bin.o	%_bin.h :	%.bin
 #-------------------------------------------------------------------------------
 	@echo $(notdir $<)
 	@$(bin2o)
+#-------------------------------------------------------------------------------
+%.gsh.o	%_gsh.h : ../misc/wiiu/%.gsh
+#-------------------------------------------------------------------------------
+	echo $(notdir $<)
+	$(bin2o)
 
 -include $(DEPENDS)
 
diff --git a/misc/wiiu/coloured.gsh b/misc/wiiu/coloured.gsh
index 3e94e41add881ffb89432761e472ed72275c4ae3..dc695190fc73e1491da6412e29497ed8c4f68183 100644
GIT binary patch
literal 1312
zcmds1Jxc>Y5S`siV$`4(X(d}+VJApR!Egv3DA?M0Ac%sRfFgnslFrg1ePUr@VQ*<|
zmEUlcKSJ(&FSi?FI20@t9C$n5JGV2tw{>{6CL#uy0TiHtF$Fu@*H8>VAIXFGoQYf&
z^f9S4O$GRtn1P^oFjtTJr+);Ll?7l4=eeUYMQRwS`jl-_)$oUthOgw;mO6re85s4H
z&4TR&`kc#yegS#j>gx2eCC6v`t>(FqA2bm?jN}b<%ZRN5A+UFYfgxul%TsN{kgAAd
zO;QnZJ7=y%dv-Txgmz{PGh}nHZj{`Xq$e)|ZmJ{mKVH12nsjhJ@3BvAyoZ_sZ+Q3p
zE_j6AY)nFj1C>a;s6(TYLc9uHl5)HYy^~bpruMDhw|?LHed`w^NhQEzpgk~J7#B34
zcM}PsoOzWnFWgt8WW>2?493k5+=({g_t_#!@+0`2q;kf7zJ9*ny#Lu=d<$+@$~pbw
U|Bdy>|0~?%UQV2AT7mn009FgDdH?_b

literal 1144
zcmZ=yt1x0<U{C;Jb|7X1VkRJl11BHvY9L1eh(U57zzk$IfLUOI5hf1i{U;KD6oZt4
zH369*?f_ztGx&g50O&UbAdL<fFC;LUpbL`AKUKi!0o2P4#Ne<4g+pn4a(+&J5yOQ9
zh8IA2lUiWF1LZX!b}$A2#X*1r=njxx5MTnb1F*yoE7T8QvlYNfc@}`E4mO1;VD3mF
zfT1vf2k2p7r~qjN22L>Tz`)DU0OTiN2|qSq_yN-aJRg9<kx2v^S3ow94-y(szz?(?
z<Oq;EL4X57kx!zgH-;C`^af6kFjGNk6H9o3$_<eHz;XcsK<NyNI#{5wfK&kho0@nn

diff --git a/misc/wiiu/coloured.vsh b/misc/wiiu/coloured.vsh
index 4ada57a13..539aac391 100644
--- a/misc/wiiu/coloured.vsh
+++ b/misc/wiiu/coloured.vsh
@@ -23,7 +23,7 @@
 
 ; --------  Disassembly --------------------
 00 CALL_FS NO_BARRIER 
-01 ALU: ADDR(32) CNT(16)
+01 ALU: ADDR(32) CNT(18)
       0  x: MUL         ____,  C3.w,  1.0f      
          y: MUL         ____,  C3.z,  1.0f      
          z: MUL         ____,  C3.y,  1.0f      
@@ -42,8 +42,5 @@
          w: MULADD      R2.w,  R2.x,  C0.w,  PV2.x      
 02 EXP_DONE: POS0, R2
 03 EXP_DONE: PARAM0, R1  NO_BARRIER 
-04 ALU: ADDR(48) CNT(1) 
-      4  x: NOP         ____      
-05 NOP NO_BARRIER 
 END_OF_PROGRAM
 
diff --git a/misc/wiiu/textured.gsh b/misc/wiiu/textured.gsh
new file mode 100644
index 0000000000000000000000000000000000000000..de06e5aa23cc053d41cc8d7358bb3a683145936a
GIT binary patch
literal 1780
zcmd^9F-s#+5T4oHi}B29K+8LP#TFKVB9?+-8zTm6?QV}FcM56(rxH+M0~RSPEYceb
z3k&~)wUtGFL8_D%S6sEZ?|a!CO9+zYEOcP@oA1rczPB@PcH>8FMMMmA0;*64`cHz=
z)+vaA(noP&w)-ZZ>LoVwwAWMVjUmiI*dGAiXJxQ=5A3y-2bhND@d+)GA<?H$SBKWp
z)P=v8UU<oVtZEJZFHl=kmJ4fV;2#Hh;1{r`60YEvuqPAl9Gp~T@9=B2@=J){EBh9Y
zPZ01FN*CwJB4-s^gzi9h&(Tb{7y9qeCgLcc5zF&XGO(K?dj27)%is<mG@3NbkWy>S
zs5COtlm`JuvswUpW{%#sDDLgNMEEfG=9*~S`*{Tx+`DUHhzlKE<q#mzdRm=gOJeEF
zI7K6|*I5GBINR9<*ErXyxSq{3j-SN&Nt~a=`KHb|N4OqfP#G5(aO4LC@OqpL!V&$;
zpnuCa&|tQS4jPo=Y^|pH3;Mb;gYCFKW{{#+eH`nF`IPQ(<YQHS^F>@gD%Um-zWprI
zMr<3t?$A7Nost7GkK$k+WJEpjue9g0|1K6*<RLN^b1gz6W15z}hldfd&GI9n!5@aj
gDac|}2ZsN<1bMVr^PiqEYkBT9qF?q7z~#~Z7i&qzzW@LL

literal 0
HcmV?d00001

diff --git a/misc/wiiu/textured.vsh b/misc/wiiu/textured.vsh
index 9e2e3b36e..cd28380ce 100644
--- a/misc/wiiu/textured.vsh
+++ b/misc/wiiu/textured.vsh
@@ -29,7 +29,7 @@
 
 ; --------  Disassembly --------------------
 00 CALL_FS NO_BARRIER 
-01 ALU: ADDR(32) CNT(18) 
+01 ALU: ADDR(32) CNT(20) 
       0  x: MUL         ____,  C3.y,  1.0f      
          y: MUL         ____,  C3.x,  1.0f      
          z: MUL         ____,  C3.w,  1.0f      
@@ -38,7 +38,7 @@
       1  x: MULADD      R127.x,  R2.z,  C2.y,  PV0.x      
          y: MULADD      R127.y,  R2.z,  C2.x,  PV0.y      
          z: MULADD      R127.z,  R2.z,  C2.w,  PV0.z      
-         w: MULADD      R127.w,  R2.z,  C2.z,  PV0.w      
+         w: MULADD      R127.w,  R2.z,  C2.z,  PV0.w
          t: MOV         R0.y,  R3.y      
       2  x: MULADD      R127.x,  R2.y,  C1.y,  PV1.x      
          y: MULADD      R127.y,  R2.y,  C1.x,  PV1.y      
@@ -51,8 +51,5 @@
 02 EXP_DONE: POS0, R2
 03 EXP: PARAM0, R1  NO_BARRIER 
 04 EXP_DONE: PARAM1, R0.xyzz  NO_BARRIER 
-05 ALU: ADDR(50) CNT(1) 
-      4  x: NOP         ____      
-06 NOP NO_BARRIER 
 END_OF_PROGRAM
 
diff --git a/src/Graphics_WiiU.c b/src/Graphics_WiiU.c
index 7be0f073e..ba6729716 100644
--- a/src/Graphics_WiiU.c
+++ b/src/Graphics_WiiU.c
@@ -6,6 +6,7 @@
 #include <gx2/clear.h>
 #include <gx2/context.h>
 #include <gx2/display.h>
+#include <gx2/draw.h>
 #include <gx2/event.h>
 #include <gx2/mem.h>
 #include <gx2/registers.h>
@@ -14,15 +15,37 @@
 #include <gx2/surface.h>
 #include <gx2/swap.h>
 #include <gx2/temp.h>
+#include <gx2r/draw.h>
 #include <gx2r/mem.h>
 #include <gx2r/buffer.h>
 #include <whb/gfx.h>
+#include "../build-wiiu/coloured_gsh.h"
+#include "../build-wiiu/textured_gsh.h"
+
+static WHBGfxShaderGroup colorShader;
+static WHBGfxShaderGroup textureShader;
+
+static void InitGfx(void) {
+	WHBGfxInit();
+	
+	WHBGfxLoadGFDShaderGroup(&colorShader, 0, coloured_gsh);
+	WHBGfxInitShaderAttribute(&colorShader, "in_pos", 0, 0, GX2_ATTRIB_FORMAT_FLOAT_32_32_32);
+	WHBGfxInitShaderAttribute(&colorShader, "in_col", 0, 12, GX2_ATTRIB_FORMAT_UNORM_8_8_8_8);
+	WHBGfxInitFetchShader(&colorShader);
+	
+	WHBGfxLoadGFDShaderGroup(&textureShader, 0, textured_gsh);
+	WHBGfxInitShaderAttribute(&textureShader, "in_pos", 0,  0, GX2_ATTRIB_FORMAT_FLOAT_32_32_32);
+	WHBGfxInitShaderAttribute(&textureShader, "in_col", 0, 12, GX2_ATTRIB_FORMAT_UNORM_8_8_8_8);
+	WHBGfxInitShaderAttribute(&textureShader, "in_pos", 0, 16, GX2_ATTRIB_FORMAT_FLOAT_32_32);
+	WHBGfxInitFetchShader(&textureShader);
+}
 
 void Gfx_Create(void) {
+	if (!Gfx.Created) InitGfx();
+	
 	Gfx.Created      = true;
-	Gfx.MaxTexWidth  = 512;
-	Gfx.MaxTexHeight = 512;
-	WHBGfxInit();
+	Gfx.MaxTexWidth  = 1024;
+	Gfx.MaxTexHeight = 1024;
 }
 
 cc_bool Gfx_TryRestoreContext(void) {
@@ -63,8 +86,6 @@ void Gfx_BindTexture(GfxResourceID texId) {
 void Gfx_DeleteTexture(GfxResourceID* texId) {
 }
 
-void Gfx_SetTexturing(cc_bool enabled) { }
-
 void Gfx_EnableMipmaps(void) { }  // TODO
 
 void Gfx_DisableMipmaps(void) { } // TODO
@@ -172,6 +193,9 @@ void Gfx_DeleteVb(GfxResourceID* vb) {
 }
 
 void Gfx_BindVb(GfxResourceID vb) {
+	GX2RBuffer* buf = (GX2RBuffer*)vb;
+	GX2RSetAttributeBuffer(buf, 0, buf->elemSize, 0);
+	//GX2SetAttribBuffer(0, 
 }
 
 void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) {
@@ -206,27 +230,61 @@ void Gfx_UnlockDynamicVb(GfxResourceID vb)  { Gfx_UnlockVb(vb); Gfx_BindVb(vb);
 /*########################################################################################################################*
 *-----------------------------------------------------Vertex rendering----------------------------------------------------*
 *#########################################################################################################################*/
+static WHBGfxShaderGroup* group;
+
 void Gfx_SetVertexFormat(VertexFormat fmt) {
+	if (fmt == gfx_format) return;
+	gfx_format = fmt;
+	gfx_stride = strideSizes[fmt];
+	
+	group = fmt == VERTEX_FORMAT_TEXTURED ? &textureShader : &colorShader;
+	GX2SetFetchShader(&group->fetchShader);
+	GX2SetVertexShader(group->vertexShader);
+	GX2SetPixelShader(group->pixelShader);
 }
 
 void Gfx_DrawVb_Lines(int verticesCount) {
 }
 
 void Gfx_DrawVb_IndexedTris(int verticesCount) {
+	GX2DrawEx(GX2_PRIMITIVE_MODE_QUADS, verticesCount, 0, 1);
 }
 
 void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) {
+	GX2DrawEx(GX2_PRIMITIVE_MODE_QUADS, verticesCount, startVertex, 1);
 }
 
 void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) {
+	GX2DrawEx(GX2_PRIMITIVE_MODE_QUADS, verticesCount, startVertex, 1);
 }
 
 
 /*########################################################################################################################*
 *---------------------------------------------------------Matrices--------------------------------------------------------*
 *#########################################################################################################################*/
+static struct Matrix _view, _proj;
 void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
-	// TODO
+	if (type == MATRIX_VIEW)       _view = *matrix;
+	if (type == MATRIX_PROJECTION) _proj = *matrix;
+	struct Matrix mvp __attribute__((aligned(64)));	
+	Matrix_Mul(&mvp, &_view, &_proj);
+	if (!group) return;
+	
+	
+static float transposed_mvp[4*4] __attribute__((aligned(64)));
+float* m = &mvp;
+	
+	// Transpose matrix
+	for (int i = 0; i < 4; i++)
+	{
+		transposed_mvp[i * 4 + 0] = m[0  + i];
+		transposed_mvp[i * 4 + 1] = m[4  + i];
+		transposed_mvp[i * 4 + 2] = m[8  + i];
+		transposed_mvp[i * 4 + 3] = m[12 + i];
+	}
+	
+	//Platform_LogConst("MVP");
+        GX2SetVertexUniformReg(group->vertexShader->uniformVars[0].offset, 16, &mvp);
 }
 
 void Gfx_LoadIdentityMatrix(MatrixType type) {
@@ -316,4 +374,4 @@ void Gfx_GetApiInfo(cc_string* info) {
 void Gfx_OnWindowResize(void) {
 
 }
-#endif
+#endif
\ No newline at end of file