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-rw-r--r--src/mesa/swrast/s_texrender.c140
1 files changed, 30 insertions, 110 deletions
diff --git a/src/mesa/swrast/s_texrender.c b/src/mesa/swrast/s_texrender.c
index af4be7bab1c..ebfba6d5da8 100644
--- a/src/mesa/swrast/s_texrender.c
+++ b/src/mesa/swrast/s_texrender.c
@@ -15,40 +15,6 @@
*/
-/**
- * Derived from gl_renderbuffer class
- */
-struct texture_renderbuffer
-{
- struct gl_renderbuffer Base; /**< Base class object */
- struct swrast_texture_image *TexImage;
- StoreTexelFunc Store;
- FetchTexelFunc Fetch;
- GLint Yoffset; /**< Layer for 1D array textures. */
- GLint Zoffset; /**< Layer for 2D array textures, or slice
- * for 3D textures
- */
-};
-
-
-/** cast wrapper */
-static inline struct texture_renderbuffer *
-texture_renderbuffer(struct gl_renderbuffer *rb)
-{
- return (struct texture_renderbuffer *) rb;
-}
-
-
-
-
-static void
-store_nop(struct swrast_texture_image *texImage,
- GLint col, GLint row, GLint img,
- const void *texel)
-{
-}
-
-
static void
delete_texture_wrapper(struct gl_renderbuffer *rb)
{
@@ -65,26 +31,26 @@ delete_texture_wrapper(struct gl_renderbuffer *rb)
static void
wrap_texture(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
{
- struct texture_renderbuffer *trb;
+ struct gl_renderbuffer *rb;
const GLuint name = 0;
ASSERT(att->Type == GL_TEXTURE);
ASSERT(att->Renderbuffer == NULL);
- trb = CALLOC_STRUCT(texture_renderbuffer);
- if (!trb) {
+ rb = CALLOC_STRUCT(gl_renderbuffer);
+ if (!rb) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "wrap_texture");
return;
}
/* init base gl_renderbuffer fields */
- _mesa_init_renderbuffer(&trb->Base, name);
+ _mesa_init_renderbuffer(rb, name);
/* plug in our texture_renderbuffer-specific functions */
- trb->Base.Delete = delete_texture_wrapper;
- trb->Base.AllocStorage = NULL; /* illegal! */
+ rb->Delete = delete_texture_wrapper;
+ rb->AllocStorage = NULL; /* illegal! */
/* update attachment point */
- _mesa_reference_renderbuffer(&att->Renderbuffer, &(trb->Base));
+ _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
}
/**
@@ -95,89 +61,43 @@ wrap_texture(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
static void
update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
{
- struct texture_renderbuffer *trb
- = (struct texture_renderbuffer *) att->Renderbuffer;
+ struct gl_renderbuffer *rb = att->Renderbuffer;
+ struct swrast_texture_image *swImage;
+ gl_format format;
+ GLuint zOffset;
(void) ctx;
- ASSERT(trb);
- trb->TexImage = swrast_texture_image(_mesa_get_attachment_teximage(att));
- ASSERT(trb->TexImage);
-
- trb->Store = _mesa_get_texel_store_func(trb->TexImage->Base.TexFormat);
- if (!trb->Store) {
- /* we'll never draw into some textures (compressed formats) */
- trb->Store = store_nop;
- }
+ swImage = swrast_texture_image(_mesa_get_attachment_teximage(att));
+ assert(swImage);
- if (!trb->TexImage->FetchTexel) {
- _mesa_update_fetch_functions(trb->TexImage->Base.TexObject);
- }
- trb->Fetch = trb->TexImage->FetchTexel;
- assert(trb->Fetch);
+ format = swImage->Base.TexFormat;
if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
- trb->Yoffset = att->Zoffset;
- trb->Zoffset = 0;
+ zOffset = 0;
}
else {
- trb->Yoffset = 0;
- trb->Zoffset = att->Zoffset;
+ zOffset = att->Zoffset;
}
- trb->Base.Width = trb->TexImage->Base.Width;
- trb->Base.Height = trb->TexImage->Base.Height;
- trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat;
- trb->Base.Format = trb->TexImage->Base.TexFormat;
-
- /* Set the gl_renderbuffer::Data field so that mapping the buffer
- * in renderbuffer.c succeeds.
- */
+ rb->Width = swImage->Base.Width;
+ rb->Height = swImage->Base.Height;
+ rb->InternalFormat = swImage->Base.InternalFormat;
+ rb->_BaseFormat = _mesa_get_format_base_format(format);
+
+ /* Want to store linear values, not sRGB */
+ rb->Format = _mesa_get_srgb_format_linear(format);
+
+ /* Set the gl_renderbuffer::Buffer field so that mapping the buffer
+ * succeeds.
+ */
if (att->Texture->Target == GL_TEXTURE_3D ||
att->Texture->Target == GL_TEXTURE_2D_ARRAY_EXT) {
- trb->Base.Buffer = trb->TexImage->Buffer +
- trb->TexImage->ImageOffsets[trb->Zoffset] *
- _mesa_get_format_bytes(trb->TexImage->Base.TexFormat);
+ rb->Buffer = swImage->Buffer +
+ swImage->ImageOffsets[zOffset] * _mesa_get_format_bytes(format);
}
else {
- trb->Base.Buffer = trb->TexImage->Buffer;
- }
-
- /* XXX may need more special cases here */
- switch (trb->TexImage->Base.TexFormat) {
- case MESA_FORMAT_Z24_S8:
- trb->Base._BaseFormat = GL_DEPTH_STENCIL;
- break;
- case MESA_FORMAT_S8_Z24:
- trb->Base._BaseFormat = GL_DEPTH_STENCIL;
- break;
- case MESA_FORMAT_Z24_X8:
- trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
- break;
- case MESA_FORMAT_X8_Z24:
- trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
- break;
- case MESA_FORMAT_Z16:
- trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
- break;
- case MESA_FORMAT_Z32:
- trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
- break;
- /* SRGB formats pre EXT_framebuffer_sRGB don't do sRGB translations on FBO readback */
- case MESA_FORMAT_SRGB8:
- trb->Fetch = _mesa_get_texel_fetch_func(MESA_FORMAT_RGB888, _mesa_get_texture_dimensions(att->Texture->Target));
- trb->Base._BaseFormat = GL_RGBA;
- break;
- case MESA_FORMAT_SRGBA8:
- trb->Fetch = _mesa_get_texel_fetch_func(MESA_FORMAT_RGBA8888, _mesa_get_texture_dimensions(att->Texture->Target));
- trb->Base._BaseFormat = GL_RGBA;
- break;
- case MESA_FORMAT_SARGB8:
- trb->Fetch = _mesa_get_texel_fetch_func(MESA_FORMAT_ARGB8888, _mesa_get_texture_dimensions(att->Texture->Target));
- trb->Base._BaseFormat = GL_RGBA;
- break;
- default:
- trb->Base._BaseFormat = GL_RGBA;
+ rb->Buffer = swImage->Buffer;
}
}