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dri/swrast: minor cosmetic

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This commit is contained in:
George Sapountzis
2008-06-09 17:46:39 +03:00
parent 0009973119
commit 4c7e02298f
1 changed files with 52 additions and 50 deletions
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src/mesa/drivers/dri/swrast/swrast.c
+52 -50
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@@ -326,7 +326,7 @@ swrast_alloc_back_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
_mesa_free(rb->Data);
(void) swrast_alloc_front_storage(ctx, rb, internalFormat, width, height);
swrast_alloc_front_storage(ctx, rb, internalFormat, width, height);
rb->Data = _mesa_malloc(height * xrb->pitch);
@@ -341,59 +341,61 @@ swrast_new_renderbuffer(const GLvisual *visual, GLboolean front)
TRACE;
if (xrb) {
_mesa_init_renderbuffer(&xrb->Base, 0);
if (!xrb)
return NULL;
pixel_format = choose_pixel_format(visual);
_mesa_init_renderbuffer(&xrb->Base, 0);
xrb->Base.Delete = swrast_delete_renderbuffer;
if (front) {
xrb->Base.AllocStorage = swrast_alloc_front_storage;
swrast_set_span_funcs_front(xrb, pixel_format);
}
else {
xrb->Base.AllocStorage = swrast_alloc_back_storage;
swrast_set_span_funcs_back(xrb, pixel_format);
}
pixel_format = choose_pixel_format(visual);
switch (pixel_format) {
case PF_A8R8G8B8:
xrb->Base.InternalFormat = GL_RGBA;
xrb->Base._BaseFormat = GL_RGBA;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 8 * sizeof(GLubyte);
xrb->Base.GreenBits = 8 * sizeof(GLubyte);
xrb->Base.BlueBits = 8 * sizeof(GLubyte);
xrb->Base.AlphaBits = 8 * sizeof(GLubyte);
break;
case PF_R5G6B5:
xrb->Base.InternalFormat = GL_RGB;
xrb->Base._BaseFormat = GL_RGB;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 5 * sizeof(GLubyte);
xrb->Base.GreenBits = 6 * sizeof(GLubyte);
xrb->Base.BlueBits = 5 * sizeof(GLubyte);
xrb->Base.AlphaBits = 0;
break;
case PF_R3G3B2:
xrb->Base.InternalFormat = GL_RGB;
xrb->Base._BaseFormat = GL_RGB;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 3 * sizeof(GLubyte);
xrb->Base.GreenBits = 3 * sizeof(GLubyte);
xrb->Base.BlueBits = 2 * sizeof(GLubyte);
xrb->Base.AlphaBits = 0;
break;
case PF_CI8:
xrb->Base.InternalFormat = GL_COLOR_INDEX8_EXT;
xrb->Base._BaseFormat = GL_COLOR_INDEX;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.IndexBits = 8 * sizeof(GLubyte);
break;
default:
return NULL;
}
xrb->Base.Delete = swrast_delete_renderbuffer;
if (front) {
xrb->Base.AllocStorage = swrast_alloc_front_storage;
swrast_set_span_funcs_front(xrb, pixel_format);
}
else {
xrb->Base.AllocStorage = swrast_alloc_back_storage;
swrast_set_span_funcs_back(xrb, pixel_format);
}
switch (pixel_format) {
case PF_A8R8G8B8:
xrb->Base.InternalFormat = GL_RGBA;
xrb->Base._BaseFormat = GL_RGBA;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 8 * sizeof(GLubyte);
xrb->Base.GreenBits = 8 * sizeof(GLubyte);
xrb->Base.BlueBits = 8 * sizeof(GLubyte);
xrb->Base.AlphaBits = 8 * sizeof(GLubyte);
break;
case PF_R5G6B5:
xrb->Base.InternalFormat = GL_RGB;
xrb->Base._BaseFormat = GL_RGB;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 5 * sizeof(GLubyte);
xrb->Base.GreenBits = 6 * sizeof(GLubyte);
xrb->Base.BlueBits = 5 * sizeof(GLubyte);
xrb->Base.AlphaBits = 0;
break;
case PF_R3G3B2:
xrb->Base.InternalFormat = GL_RGB;
xrb->Base._BaseFormat = GL_RGB;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.RedBits = 3 * sizeof(GLubyte);
xrb->Base.GreenBits = 3 * sizeof(GLubyte);
xrb->Base.BlueBits = 2 * sizeof(GLubyte);
xrb->Base.AlphaBits = 0;
break;
case PF_CI8:
xrb->Base.InternalFormat = GL_COLOR_INDEX8_EXT;
xrb->Base._BaseFormat = GL_COLOR_INDEX;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
xrb->Base.IndexBits = 8 * sizeof(GLubyte);
break;
default:
return NULL;
}
return xrb;
}