ClassiCube/src/Graphics_Xbox360.c

405 lines
13 KiB
C

#include "Core.h"
#ifdef CC_BUILD_XBOX360
#include "_GraphicsBase.h"
#include "Errors.h"
#include "Window.h"
#include <xenos/xe.h>
#include <xenos/edram.h>
#include "../misc/xbox360/ps_coloured.h"
#include "../misc/xbox360/vs_coloured.h"
#include "../misc/xbox360/ps_textured.h"
#include "../misc/xbox360/vs_textured.h"
static struct XenosShader* shdr_tex_vs;
static struct XenosShader* shdr_tex_ps;
static struct XenosShader* shdr_col_vs;
static struct XenosShader* shdr_col_ps;
static struct XenosDevice device;
static struct XenosDevice* xe;
static const struct XenosVBFFormat textured_vbf = {
3, {
{ XE_USAGE_POSITION, 0, XE_TYPE_FLOAT4 },
{ XE_USAGE_COLOR, 0, XE_TYPE_UBYTE4 },
{ XE_USAGE_TEXCOORD, 0, XE_TYPE_FLOAT2 }
} };
static const struct XenosVBFFormat coloured_vbf = {
2, {
{ XE_USAGE_POSITION, 0, XE_TYPE_FLOAT4 },
{ XE_USAGE_COLOR, 0, XE_TYPE_UBYTE4 }
} };
static void CreateState(void) {
xe = &device;
Xe_Init(xe);
edram_init(xe);
struct XenosSurface* fb = Xe_GetFramebufferSurface(xe);
Xe_SetRenderTarget(xe, fb);
}
static void CreateShaders(void) {
shdr_tex_vs = Xe_LoadShaderFromMemory(xe, (void*)vs_textured);
Xe_InstantiateShader(xe, shdr_tex_vs, 0);
Xe_ShaderApplyVFetchPatches(xe, shdr_tex_vs, 0, &textured_vbf);
shdr_tex_ps = Xe_LoadShaderFromMemory(xe, (void*)ps_textured);
Xe_InstantiateShader(xe, shdr_tex_ps, 0);
shdr_col_vs = Xe_LoadShaderFromMemory(xe, (void*)vs_coloured);
Xe_InstantiateShader(xe, shdr_col_vs, 0);
Xe_ShaderApplyVFetchPatches(xe, shdr_col_vs, 0, &coloured_vbf);
shdr_col_ps = Xe_LoadShaderFromMemory(xe, (void*)ps_coloured);
Xe_InstantiateShader(xe, shdr_col_ps, 0);
}
void Gfx_Create(void) {
if (!Gfx.Created) {
CreateState();
CreateShaders();
}
Gfx.Created = true;
Gfx_SetVertexFormat(VERTEX_FORMAT_COLOURED);
Gfx.MaxTexWidth = 1024;
Gfx.MaxTexHeight = 1024;
Gfx.MaxTexSize = 512 * 512;
}
cc_bool Gfx_TryRestoreContext(void) {
return true;
}
void Gfx_Free(void) {
Gfx_FreeState();
}
static void Gfx_FreeState(void) {
FreeDefaultResources();
}
static void Gfx_RestoreState(void) {
InitDefaultResources();
Gfx_SetFaceCulling(false);
SetAlphaBlend(false);
Xe_SetAlphaFunc(xe, XE_CMP_GREATER);
Xe_SetAlphaRef(xe, 0.5f);
Xe_SetZFunc(xe, XE_CMP_LESSEQUAL);
}
/*########################################################################################################################*
*---------------------------------------------------------Textures--------------------------------------------------------*
*#########################################################################################################################*/
static void SetTextureData(struct XenosSurface* xtex, int x, int y, const struct Bitmap* bmp, int rowWidth, int lvl) {
void* dst = Xe_Surface_LockRect(xe, xtex, x, y, bmp->width, bmp->height, XE_LOCK_WRITE);
CopyTextureData(dst, bmp->width * BITMAPCOLOR_SIZE,
bmp, rowWidth * BITMAPCOLOR_SIZE);
Xe_Surface_Unlock(xe, xtex);
}
GfxResourceID Gfx_AllocTexture(struct Bitmap* bmp, int rowWidth, cc_uint8 flags, cc_bool mipmaps) {
struct XenosSurface* xtex = Xe_CreateTexture(xe, bmp->width, bmp->height, 1, XE_FMT_8888, 0);
SetTextureData(xtex, 0, 0, bmp, rowWidth, 0);
return xtex;
}
void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) {
struct XenosSurface* xtex = (struct XenosSurface*)texId;
SetTextureData(xtex, x, y, part, rowWidth, 0);
}
void Gfx_BindTexture(GfxResourceID texId) {
struct XenosSurface* xtex = (struct XenosSurface*)texId;
Xe_SetTexture(xe, 0, xtex);
}
void Gfx_DeleteTexture(GfxResourceID* texId) {
struct XenosSurface* xtex = (struct XenosSurface*)(*texId);
if (xtex) Xe_DestroyTexture(xe, xtex);
*texId = NULL;
}
void Gfx_EnableMipmaps(void) { } // TODO
void Gfx_DisableMipmaps(void) { } // TODO
/*########################################################################################################################*
*-----------------------------------------------------State management----------------------------------------------------*
*#########################################################################################################################*/
void Gfx_SetFaceCulling(cc_bool enabled) {
Xe_SetCullMode(xe, enabled ? XE_CULL_CW : XE_CULL_NONE);
}
void Gfx_SetFog(cc_bool enabled) {
// TODO
}
void Gfx_SetFogCol(PackedCol color) {
// TODO
}
void Gfx_SetFogDensity(float value) {
// TODO
}
void Gfx_SetFogEnd(float value) {
// TODO
}
void Gfx_SetFogMode(FogFunc func) {
// TODO
}
static void SetAlphaTest(cc_bool enabled) {
Xe_SetAlphaTestEnable(xe, enabled);
}
static void SetAlphaBlend(cc_bool enabled) {
if (enabled) {
Xe_SetBlendControl(xe,
XE_BLEND_SRCALPHA, XE_BLENDOP_ADD, XE_BLEND_INVSRCALPHA,
XE_BLEND_SRCALPHA, XE_BLENDOP_ADD, XE_BLEND_INVSRCALPHA);
} else {
Xe_SetBlendControl(xe,
XE_BLEND_ONE, XE_BLENDOP_ADD, XE_BLEND_ZERO,
XE_BLEND_ONE, XE_BLENDOP_ADD, XE_BLEND_ZERO);
}
}
void Gfx_SetAlphaArgBlend(cc_bool enabled) {
// TODO
}
void Gfx_ClearColor(PackedCol color) {
Xe_SetClearColor(xe, color);
}
void Gfx_SetDepthTest(cc_bool enabled) {
Xe_SetZEnable(xe, enabled);
}
void Gfx_SetDepthWrite(cc_bool enabled) {
Xe_SetZWrite(xe, enabled);
}
static void SetColorWrite(cc_bool r, cc_bool g, cc_bool b, cc_bool a) {
// TODO
}
void Gfx_DepthOnlyRendering(cc_bool depthOnly) {
cc_bool enabled = !depthOnly;
SetColorWrite(enabled & gfx_colorMask[0], enabled & gfx_colorMask[1],
enabled & gfx_colorMask[2], enabled & gfx_colorMask[3]);
}
/*########################################################################################################################*
*-------------------------------------------------------Index buffers-----------------------------------------------------*
*#########################################################################################################################*/
GfxResourceID Gfx_CreateIb2(int count, Gfx_FillIBFunc fillFunc, void* obj) {
return (void*)1;
}
void Gfx_BindIb(GfxResourceID ib) {
}
void Gfx_DeleteIb(GfxResourceID* ib) {
*ib = NULL;
}
/*########################################################################################################################*
*------------------------------------------------------Vertex buffers-----------------------------------------------------*
*#########################################################################################################################*/
static GfxResourceID Gfx_AllocStaticVb(VertexFormat fmt, int count) {
int size = count * strideSizes[fmt];
return Xe_CreateVertexBuffer(xe, size);
}
void Gfx_DeleteVb(GfxResourceID* vb) {
struct XenosVertexBuffer* xvb = (struct XenosVertexBuffer*)(*vb);
if (xvb) Xe_DestroyVertexBuffer(xe, xvb);
*vb = NULL;
}
void Gfx_BindVb(GfxResourceID vb) {
struct XenosVertexBuffer* xvb = (struct XenosVertexBuffer*)vb;
Xe_SetStreamSource(xe, 0, xvb, 0, gfx_stride);
}
void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) {
struct XenosVertexBuffer* xvb = (struct XenosVertexBuffer*)vb;
int size = count * strideSizes[fmt];
return Xe_VB_Lock(xe, xvb, 0, size, XE_LOCK_WRITE);
}
void Gfx_UnlockVb(GfxResourceID vb) {
struct XenosVertexBuffer* xvb = (struct XenosVertexBuffer*)vb;
Xe_VB_Unlock(xe, xvb);
}
/*########################################################################################################################*
*--------------------------------------------------Dynamic vertex buffers-------------------------------------------------*
*#########################################################################################################################*/
static GfxResourceID Gfx_AllocDynamicVb(VertexFormat fmt, int maxVertices) {
return Gfx_AllocStaticVb(fmt, maxVertices);
}
void Gfx_DeleteDynamicVb(GfxResourceID* vb) { Gfx_DeleteVb(vb); }
void Gfx_BindDynamicVb(GfxResourceID vb) { Gfx_BindVb(vb); }
void* Gfx_LockDynamicVb(GfxResourceID vb, VertexFormat fmt, int count) {
return Gfx_LockVb(vb, fmt, count);
}
void Gfx_UnlockDynamicVb(GfxResourceID vb) { Gfx_UnlockVb(vb); Gfx_BindVb(vb); }
/*########################################################################################################################*
*-----------------------------------------------------Vertex rendering----------------------------------------------------*
*#########################################################################################################################*/
void Gfx_SetVertexFormat(VertexFormat fmt) {
if (fmt == gfx_format) return;
Platform_LogConst("CHANGE FORMAT");
gfx_format = fmt;
gfx_stride = strideSizes[fmt];
if (fmt == VERTEX_FORMAT_COLOURED) {
Xe_SetTexture(xe, 0, NULL);
Xe_SetShader(xe, SHADER_TYPE_PIXEL, shdr_col_ps, 0);
Xe_SetShader(xe, SHADER_TYPE_VERTEX, shdr_col_vs, 0);
} else {
Xe_SetShader(xe, SHADER_TYPE_PIXEL, shdr_tex_ps, 0);
Xe_SetShader(xe, SHADER_TYPE_VERTEX, shdr_tex_vs, 0);
}
}
void Gfx_DrawVb_Lines(int verticesCount) {
Platform_Log1("DRAW_LINES: %i", &verticesCount);
Xe_DrawPrimitive(xe, XE_PRIMTYPE_LINELIST, 0, verticesCount >> 1);
}
void Gfx_DrawVb_IndexedTris(int verticesCount) {
Platform_Log1("DRAW_TRIS: %i", &verticesCount);
Xe_DrawPrimitive(xe, XE_PRIMTYPE_QUADLIST, 0, verticesCount >> 2);
}
void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) {
Platform_Log1("DRAW_TRIS_RANGE: %i", &verticesCount);
Xe_DrawPrimitive(xe, XE_PRIMTYPE_QUADLIST, startVertex, verticesCount >> 2);
}
void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) {
Platform_Log1("DRAW_TRIS_MAP: %i", &verticesCount);
Xe_DrawPrimitive(xe, XE_PRIMTYPE_QUADLIST, startVertex, verticesCount >> 2);
}
/*########################################################################################################################*
*---------------------------------------------------------Matrices--------------------------------------------------------*
*#########################################################################################################################*/
static struct Matrix _view, _proj, _mvp;
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
struct Matrix* dst = type == MATRIX_PROJ ? &_proj : &_view;
*dst = *matrix;
Platform_LogConst("LOAD MATRIX");
Matrix_Mul(&_mvp, &_view, &_proj);
// TODO: Is this a global uniform, or does it need to be reloaded on shader change?
Xe_SetVertexShaderConstantF(xe, 0, (float*)&_mvp, 4);
}
void Gfx_LoadMVP(const struct Matrix* view, const struct Matrix* proj, struct Matrix* mvp) {
Gfx_LoadMatrix(MATRIX_VIEW, view);
Gfx_LoadMatrix(MATRIX_PROJ, proj);
Matrix_Mul(mvp, view, proj);
}
void Gfx_EnableTextureOffset(float x, float y) {
// TODO
}
void Gfx_DisableTextureOffset(void) {
// TODO
}
void Gfx_CalcOrthoMatrix(struct Matrix* matrix, float width, float height, float zNear, float zFar) {
// TODO verify this
*matrix = Matrix_Identity;
matrix->row1.x = 2.0f / width;
matrix->row2.y = -2.0f / height;
matrix->row3.z = 1.0f / (zNear - zFar);
matrix->row4.x = -1.0f;
matrix->row4.y = 1.0f;
matrix->row4.z = zNear / (zNear - zFar);
}
static float Cotangent(float x) { return Math_CosF(x) / Math_SinF(x); }
void Gfx_CalcPerspectiveMatrix(struct Matrix* matrix, float fov, float aspect, float zFar) {
// TODO verify this
float zNear = 0.1f;
float c = Cotangent(0.5f * fov);
*matrix = Matrix_Identity;
matrix->row1.x = c / aspect;
matrix->row2.y = c;
matrix->row3.z = zFar / (zNear - zFar);
matrix->row3.w = -1.0f;
matrix->row4.z = (zNear * zFar) / (zNear - zFar);
matrix->row4.w = 0.0f;
}
/*########################################################################################################################*
*-----------------------------------------------------------Misc----------------------------------------------------------*
*#########################################################################################################################*/
cc_result Gfx_TakeScreenshot(struct Stream* output) {
return ERR_NOT_SUPPORTED;
}
void Gfx_SetVSync(cc_bool vsync) {
gfx_vsync = vsync;
}
void Gfx_BeginFrame(void) {
Platform_LogConst("BEGIN FRAME");
}
void Gfx_ClearBuffers(GfxBuffers buffers) {
// TODO clear only some buffers
// Xe_Clear is just a Resolve anyways
}
void Gfx_EndFrame(void) {
Platform_LogConst("END FRAME A");
Xe_Resolve(xe);
Xe_Sync(xe);
Platform_LogConst("END FRAME B");
}
cc_bool Gfx_WarnIfNecessary(void) { return false; }
cc_bool Gfx_GetUIOptions(struct MenuOptionsScreen* s) { return false; }
void Gfx_GetApiInfo(cc_string* info) {
String_AppendConst(info, "-- Using XBox 360 --\n");
PrintMaxTextureInfo(info);
}
void Gfx_OnWindowResize(void) {
}
void Gfx_SetViewport(int x, int y, int w, int h) { }
void Gfx_SetScissor (int x, int y, int w, int h) { }
#endif