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Dreamcast: Use more optimised specialised drawing method in forked gldc

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UnknownShadow200 2023-08-29 18:15:30 +10:00
parent 1d43e48a37
commit 510a3f4044
1 changed files with 17 additions and 22 deletions
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39
src/Graphics_Dreamcast.c
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@ -151,12 +151,10 @@ void Gfx_OnWindowResize(void) {
/*########################################################################################################################* /*########################################################################################################################*
*-------------------------------------------------------Index buffers-----------------------------------------------------* *-------------------------------------------------------Index buffers-----------------------------------------------------*
*#########################################################################################################################*/ *#########################################################################################################################*/
static cc_uint16 __attribute__((aligned(16))) gfx_indices[GFX_MAX_INDICES];
static void* gfx_vertices; static void* gfx_vertices;
static int vb_size; static int vb_size;
GfxResourceID Gfx_CreateIb2(int count, Gfx_FillIBFunc fillFunc, void* obj) { GfxResourceID Gfx_CreateIb2(int count, Gfx_FillIBFunc fillFunc, void* obj) {
fillFunc(gfx_indices, count, obj);
return 1; return 1;
} }
@ -188,7 +186,7 @@ void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) {
} }
void Gfx_UnlockVb(GfxResourceID vb) { void Gfx_UnlockVb(GfxResourceID vb) {
gfx_vertices = vb; gfx_vertices = vb;
//sceKernelDcacheWritebackInvalidateRange(vb, vb_size); //sceKernelDcacheWritebackInvalidateRange(vb, vb_size);
} }
@ -333,18 +331,20 @@ void Gfx_SetFogMode(FogFunc func) {
/*########################################################################################################################* /*########################################################################################################################*
*---------------------------------------------------------Matrices--------------------------------------------------------* *---------------------------------------------------------Matrices--------------------------------------------------------*
*#########################################################################################################################*/ *#########################################################################################################################*/
static GLenum matrix_modes[] = { GL_PROJECTION, GL_MODELVIEW }; static matrix_t __attribute__((aligned(32))) _proj, _view;
static int lastMatrix, textureOffset; static float textureOffsetX, textureOffsetY;
float textureOffsetX, textureOffsetY; static int textureOffset;
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) { void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } if (type == MATRIX_PROJECTION) memcpy(&_proj, matrix, sizeof(struct Matrix));
glLoadMatrixf((const float*)matrix); if (type == MATRIX_VIEW) memcpy(&_view, matrix, sizeof(struct Matrix));
mat_load( &_proj);
mat_apply(&_view);
} }
void Gfx_LoadIdentityMatrix(MatrixType type) { void Gfx_LoadIdentityMatrix(MatrixType type) {
if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } Gfx_LoadMatrix(type, &Matrix_Identity);
glLoadIdentity();
} }
@ -405,13 +405,10 @@ cc_bool Gfx_WarnIfNecessary(void) {
static void SetupVertices(int startVertex) { static void SetupVertices(int startVertex) {
if (gfx_format == VERTEX_FORMAT_TEXTURED) { if (gfx_format == VERTEX_FORMAT_TEXTURED) {
cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED;
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset));
glColorPointer(GL_BGRA, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12));
glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16));
} else { } else {
cc_uint32 offset = startVertex * SIZEOF_VERTEX_COLOURED; cc_uint32 offset = startVertex * SIZEOF_VERTEX_COLOURED;
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset)); glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset));
glColorPointer(GL_BGRA, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset + 12));
} }
} }
@ -431,19 +428,19 @@ void Gfx_SetVertexFormat(VertexFormat fmt) {
void Gfx_DrawVb_Lines(int verticesCount) { void Gfx_DrawVb_Lines(int verticesCount) {
SetupVertices(0); SetupVertices(0);
glDrawArrays(GL_LINES, 0, verticesCount); //glDrawArrays(GL_LINES, 0, verticesCount);
} }
void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) { void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) {
SetupVertices(startVertex); SetupVertices(startVertex);
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices); glDrawArrays(GL_QUADS, 0, verticesCount);
} }
void Gfx_DrawVb_IndexedTris(int verticesCount) { void Gfx_DrawVb_IndexedTris(int verticesCount) {
SetupVertices(0); SetupVertices(0);
if (textureOffset) ShiftTextureCoords(verticesCount); if (textureOffset) ShiftTextureCoords(verticesCount);
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices); glDrawArrays(GL_QUADS, 0, verticesCount);
if (textureOffset) UnshiftTextureCoords(verticesCount); if (textureOffset) UnshiftTextureCoords(verticesCount);
} }
@ -451,9 +448,7 @@ void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) {
if (renderingDisabled) return; if (renderingDisabled) return;
cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED;
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset));
glColorPointer(GL_BGRA, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12)); glDrawArrays(GL_QUADS, 0, verticesCount);
glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16));
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices);
} }
#endif #endif