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Dreamcast: Use more optimised specialised drawing method in forked gldc

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This commit is contained in:
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-----------------------------------------------------*
*#########################################################################################################################*/
static cc_uint16 __attribute__((aligned(16))) gfx_indices[GFX_MAX_INDICES];
static void* gfx_vertices;
static int vb_size;
GfxResourceID Gfx_CreateIb2(int count, Gfx_FillIBFunc fillFunc, void* obj) {
fillFunc(gfx_indices, count, obj);
return 1;
}
@ -188,7 +186,7 @@ void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) {
}
void Gfx_UnlockVb(GfxResourceID vb) {
gfx_vertices = vb;
gfx_vertices = vb;
//sceKernelDcacheWritebackInvalidateRange(vb, vb_size);
}
@ -333,18 +331,20 @@ void Gfx_SetFogMode(FogFunc func) {
/*########################################################################################################################*
*---------------------------------------------------------Matrices--------------------------------------------------------*
*#########################################################################################################################*/
static GLenum matrix_modes[] = { GL_PROJECTION, GL_MODELVIEW };
static int lastMatrix, textureOffset;
float textureOffsetX, textureOffsetY;
static matrix_t __attribute__((aligned(32))) _proj, _view;
static float textureOffsetX, textureOffsetY;
static int textureOffset;
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); }
glLoadMatrixf((const float*)matrix);
if (type == MATRIX_PROJECTION) memcpy(&_proj, matrix, sizeof(struct Matrix));
if (type == MATRIX_VIEW) memcpy(&_view, matrix, sizeof(struct Matrix));
mat_load( &_proj);
mat_apply(&_view);
}
void Gfx_LoadIdentityMatrix(MatrixType type) {
if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); }
glLoadIdentity();
Gfx_LoadMatrix(type, &Matrix_Identity);
}
@ -405,13 +405,10 @@ cc_bool Gfx_WarnIfNecessary(void) {
static void SetupVertices(int startVertex) {
if (gfx_format == VERTEX_FORMAT_TEXTURED) {
cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED;
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));
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset));
} else {
cc_uint32 offset = startVertex * SIZEOF_VERTEX_COLOURED;
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));
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset));
}
}
@ -431,19 +428,19 @@ void Gfx_SetVertexFormat(VertexFormat fmt) {
void Gfx_DrawVb_Lines(int verticesCount) {
SetupVertices(0);
glDrawArrays(GL_LINES, 0, verticesCount);
//glDrawArrays(GL_LINES, 0, verticesCount);
}
void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) {
SetupVertices(startVertex);
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices);
glDrawArrays(GL_QUADS, 0, verticesCount);
}
void Gfx_DrawVb_IndexedTris(int verticesCount) {
SetupVertices(0);
if (textureOffset) ShiftTextureCoords(verticesCount);
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices);
glDrawArrays(GL_QUADS, 0, verticesCount);
if (textureOffset) UnshiftTextureCoords(verticesCount);
}
@ -451,9 +448,7 @@ void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) {
if (renderingDisabled) return;
cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED;
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));
glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, gfx_indices);
glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset));
glDrawArrays(GL_QUADS, 0, verticesCount);
}
#endif