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Factorize some code in the texture uploading function.

This commit is contained in:
Lionel Ulmer 2003-01-02 19:44:14 +00:00 committed by Alexandre Julliard
parent da66dad0cc
commit 62d4f41ee8
1 changed files with 63 additions and 168 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

231
dlls/ddraw/d3dtexture.c
View File

@ -146,6 +146,10 @@ gltex_upload_texture(IDirectDrawSurfaceImpl *This, BOOLEAN init_upload) {
#endif
void (*ptr_ColorTableEXT) (GLenum target, GLenum internalformat,
GLsizei width, GLenum format, GLenum type, const GLvoid *table) = NULL;
BOOL upload_done = FALSE;
BOOL error = FALSE;
GLenum format, pixel_format;
VOID *surface = NULL;
DDSURFACEDESC *src_d = (DDSURFACEDESC *)&(This->surface_desc);
@ -174,6 +178,7 @@ gltex_upload_texture(IDirectDrawSurfaceImpl *This, BOOLEAN init_upload) {
if (pal == NULL) {
ERR("Palettized texture Loading with a NULL palette !\n");
glBindTexture(GL_TEXTURE_2D, current_texture);
return;
}
/* Get the surface's palette */
@ -206,10 +211,14 @@ gltex_upload_texture(IDirectDrawSurfaceImpl *This, BOOLEAN init_upload) {
GL_COLOR_INDEX, /* texture format */
GL_UNSIGNED_BYTE, /* texture type */
src_d->lpSurface); /* the texture */
upload_done = TRUE;
} else {
DWORD *surface = (DWORD *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(DWORD));
DWORD i;
BYTE *src = (BYTE *) src_d->lpSurface, *dst = (BYTE *) surface;
BYTE *src = (BYTE *) src_d->lpSurface, *dst;
surface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(DWORD));
dst = (BYTE *) surface;
for (i = 0; i < src_d->dwHeight * src_d->dwWidth; i++) {
BYTE color = *src++;
@ -219,25 +228,8 @@ gltex_upload_texture(IDirectDrawSurfaceImpl *This, BOOLEAN init_upload) {
*dst++ = table[color][3];
}
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
surface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_BYTE,
surface);
HeapFree(GetProcessHeap(), 0, surface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_BYTE;
}
} else if (src_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
/* ************
@ -247,186 +239,89 @@ gltex_upload_texture(IDirectDrawSurfaceImpl *This, BOOLEAN init_upload) {
/* **********************
GL_UNSIGNED_BYTE_3_3_2
********************** */
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGB,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGB,
GL_UNSIGNED_BYTE_3_3_2,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGB,
GL_UNSIGNED_BYTE_3_3_2,
src_d->lpSurface);
format = GL_RGB;
pixel_format = GL_UNSIGNED_BYTE_3_3_2;
} else if (src_d->ddpfPixelFormat.u1.dwRGBBitCount == 16) {
if (src_d->ddpfPixelFormat.u5.dwRGBAlphaBitMask == 0x00000000) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGB,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGB,
GL_UNSIGNED_SHORT_5_6_5,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGB,
GL_UNSIGNED_SHORT_5_6_5,
src_d->lpSurface);
format = GL_RGB;
pixel_format = GL_UNSIGNED_SHORT_5_6_5;
} else if (src_d->ddpfPixelFormat.u5.dwRGBAlphaBitMask == 0x00000001) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1,
src_d->lpSurface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
} else if (src_d->ddpfPixelFormat.u5.dwRGBAlphaBitMask == 0x0000000F) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4,
src_d->lpSurface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_SHORT_4_4_4_4;
} else if (src_d->ddpfPixelFormat.u5.dwRGBAlphaBitMask == 0x0000F000) {
/* Move the four Alpha bits... */
WORD *surface = (WORD *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(WORD));
DWORD i;
WORD *src = (WORD *) src_d->lpSurface, *dst = surface;
WORD *src = (WORD *) src_d->lpSurface, *dst;
surface = (WORD *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(WORD));
dst = surface;
for (i = 0; i < src_d->dwHeight * src_d->dwWidth; i++) {
*dst++ = (((*src & 0xFFF0) >> 4) |
((*src & 0x000F) << 12));
src++;
}
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4,
surface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4,
surface);
HeapFree(GetProcessHeap(), 0, surface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_SHORT_4_4_4_4;
} else if (src_d->ddpfPixelFormat.u5.dwRGBAlphaBitMask == 0x00008000) {
/* Converting the 1555 format in 5551 packed */
WORD *surface = (WORD *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(WORD));
DWORD i;
WORD *src = (WORD *) src_d->lpSurface, *dst = surface;
WORD *src = (WORD *) src_d->lpSurface, *dst;
surface = (WORD *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, src_d->dwWidth * src_d->dwHeight * sizeof(WORD));
dst = (WORD *) surface;
for (i = 0; i < src_d->dwHeight * src_d->dwWidth; i++) {
*dst++ = (((*src & 0x8000) >> 15) |
((*src & 0x7FFF) << 1));
src++;
}
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1,
surface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1,
surface);
HeapFree(GetProcessHeap(), 0, surface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_SHORT_5_5_5_1;
} else {
ERR("Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
error = TRUE;
}
} else if (src_d->ddpfPixelFormat.u1.dwRGBBitCount == 24) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGB,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGB,
GL_UNSIGNED_BYTE,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGB,
GL_UNSIGNED_BYTE,
src_d->lpSurface);
format = GL_RGB;
pixel_format = GL_UNSIGNED_BYTE;
} else if (src_d->ddpfPixelFormat.u1.dwRGBBitCount == 32) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
src_d->lpSurface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
GL_RGBA,
GL_UNSIGNED_BYTE,
src_d->lpSurface);
format = GL_RGBA;
pixel_format = GL_UNSIGNED_BYTE;
} else {
ERR("Unhandled texture format (bad RGB count)\n");
error = TRUE;
}
} else {
ERR("Unhandled texture format (neither RGB nor INDEX)\n");
}
error = TRUE;
}
if ((upload_done == FALSE) && (error == FALSE)) {
if (init_upload)
glTexImage2D(GL_TEXTURE_2D,
This->mipmap_level,
format,
src_d->dwWidth, src_d->dwHeight,
0,
format,
pixel_format,
surface == NULL ? src_d->lpSurface : surface);
else
glTexSubImage2D(GL_TEXTURE_2D,
This->mipmap_level,
0, 0,
src_d->dwWidth, src_d->dwHeight,
format,
pixel_format,
surface == NULL ? src_d->lpSurface : surface);
if (surface) HeapFree(GetProcessHeap(), 0, surface);
}
glBindTexture(GL_TEXTURE_2D, current_texture);
}