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Xbox: Add splitscreen too

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This commit is contained in:
UnknownShadow200 2024-04-26 07:50:57 +10:00
parent efa7558960
commit 0bc1b1c971
4 changed files with 41 additions and 21 deletions
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9
misc/xbox/vs_coloured.vs.cg
View file

@ -11,7 +11,8 @@ struct vOut {
vOut main(
vIn input,
uniform float4x4 mvp,
uniform float4 half_viewport
uniform float4 vp_scale,
uniform float4 vp_offset
)
{
vOut result;
@ -21,9 +22,9 @@ vOut main(
position = mul(position, mvp);
position.xyz = position.xyz / position.w;
position.x = position.x * half_viewport.x + half_viewport.x;
position.y = -position.y * half_viewport.y + half_viewport.y;
position.z = position.z * half_viewport.z + half_viewport.z;
position.x = position.x * vp_scale.x + vp_offset.x;
position.y = position.y * vp_scale.y + vp_offset.y;
position.z = position.z * vp_scale.z + vp_offset.z;
//position.w = 1.0 / half_viewport.w;
result.pos = position;

9
misc/xbox/vs_textured.vs.cg
View file

@ -13,7 +13,8 @@ struct vOut {
vOut main(
vIn input,
uniform float4x4 mvp,
uniform float4 half_viewport
uniform float4 vp_scale,
uniform float4 vp_offset
)
{
vOut result;
@ -23,9 +24,9 @@ vOut main(
position = mul(position, mvp);
position.xyz = position.xyz / position.w;
position.x = position.x * half_viewport.x + half_viewport.x;
position.y = -position.y * half_viewport.y + half_viewport.y;
position.z = position.z * half_viewport.z + half_viewport.z;
position.x = position.x * vp_scale.x + vp_offset.x;
position.y = position.y * vp_scale.y + vp_offset.y;
position.z = position.z * vp_scale.z + vp_offset.z;
//position.w = 1.0 / half_viewport.w;
result.pos = position;

1
src/Core.h
View file

@ -136,6 +136,7 @@ typedef cc_uint8 cc_bool;
#define CC_BUILD_NOSOUNDS
#define CC_BUILD_HTTPCLIENT
#define CC_BUILD_BEARSSL
#define CC_BUILD_SPLITSCREEN
#elif defined XENON
/* libxenon also defines __linux__ (yes, really) */
#define CC_BUILD_XBOX360

43
src/Graphics_Xbox.c
View file

@ -106,6 +106,7 @@ static void ResetState(void) {
}
static GfxResourceID white_square;
void Gfx_Create(void) {
Gfx.MaxTexWidth = 512;
Gfx.MaxTexHeight = 512; // TODO: 1024?
@ -535,17 +536,11 @@ void Gfx_CalcPerspectiveMatrix(struct Matrix* matrix, float fov, float aspect, f
void Gfx_OnWindowResize(void) { }
void Gfx_SetViewport(int x, int y, int w, int h) { }
static struct Vec4 vp_offset = { 320, -240, 8388608, 1 };
static struct Vec4 vp_scale = { 320, 240, 8388608, 1 };
static struct Matrix _view, _proj, _mvp;
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
struct Matrix* dst = type == MATRIX_PROJECTION ? &_proj : &_view;
*dst = *matrix;
struct Matrix combined;
Matrix_Mul(&combined, &_view, &_proj);
static void UpdateVSConstants(void) {
uint32_t* p;
p = pb_begin();
@ -556,11 +551,11 @@ void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
p = pb_push1(p, NV097_SET_TRANSFORM_CONSTANT_LOAD, 96);
// upload transformation matrix
pb_push(p++, NV097_SET_TRANSFORM_CONSTANT, 4*4 + 4);
Mem_Copy(p, &combined, 16 * 4); p += 16;
pb_push(p++, NV097_SET_TRANSFORM_CONSTANT, 4*4 + 4 + 4);
Mem_Copy(p, &_mvp, 16 * 4); p += 16;
// Upload viewport too
struct Vec4 viewport = { 320, 240, 8388608, 1 };
Mem_Copy(p, &viewport, 4 * 4); p += 4;
Mem_Copy(p, &vp_scale, 4 * 4); p += 4;
Mem_Copy(p, &vp_offset, 4 * 4); p += 4;
// Upload constants too
//struct Vec4 v = { 1, 1, 1, 1 };
//Mem_Copy(p, &v, 4 * 4); p += 4;
@ -569,6 +564,14 @@ void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
pb_end(p);
}
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
struct Matrix* dst = type == MATRIX_PROJECTION ? &_proj : &_view;
*dst = *matrix;
Matrix_Mul(&_mvp, &_view, &_proj);
UpdateVSConstants();
}
void Gfx_LoadIdentityMatrix(MatrixType type) {
Gfx_LoadMatrix(type, &Matrix_Identity);
}
@ -579,6 +582,20 @@ void Gfx_EnableTextureOffset(float x, float y) {
void Gfx_DisableTextureOffset(void) {
}
void Gfx_SetViewport(int x, int y, int w, int h) {
vp_scale.x = w * 0.5f;
vp_scale.y = h * -0.5f;
vp_offset.x = x + w * 0.5f;
vp_offset.y = y + h * 0.5f;
uint32_t* p;
p = pb_begin();
// NV097_SET_SURFACE_CLIP_HORIZONTAL followed by NV097_SET_SURFACE_CLIP_VERTICAL
p = pb_push2(p, NV097_SET_SURFACE_CLIP_HORIZONTAL, x | (w << 16), y | (h << 16));
pb_end(p);
}
/*########################################################################################################################*