struct swrast_texture_image;
-typedef void (*FetchTexelFuncC)(const struct swrast_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLchan *texelOut);
-
/**
- * As above, but returns floats.
- * Used for depth component images and for upcoming signed/float
- * texture images.
+ * Fetch a texel from texture image at given position.
*/
-typedef void (*FetchTexelFuncF)(const struct swrast_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLfloat *texelOut);
+typedef void (*FetchTexelFunc)(const struct swrast_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ GLfloat *texelOut);
typedef void (*StoreTexelFunc)(struct swrast_texture_image *texImage,
{
struct gl_texture_image Base;
-#if 0
+ GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
+
/** used for mipmap LOD computation */
GLfloat WidthScale, HeightScale, DepthScale;
- GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
- GLubyte *Data; /**< The actual texture data in malloc'd memory */
+ /** These fields only valid when texture memory is mapped */
+ GLint RowStride; /**< Padded width in units of texels */
+ GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to
+ each 2D slice in 'Data', in texels */
+ GLubyte *Data; /**< Image data, accessed via FetchTexel() */
- GLint TexelSize; /**< bytes per texel block */
-#endif
+ /** Malloc'd texure memory */
+ GLubyte *Buffer;
- FetchTexelFuncC FetchTexelc;
- FetchTexelFuncF FetchTexelf;
+ FetchTexelFunc FetchTexel;
StoreTexelFunc Store;
-
-#if 0
- /** These fields only valid when texture memory is mapped */
- GLubyte **SliceMaps; /**< points to OneMap or a malloc'd array */
- GLint RowStride; /**< bytes per row of blocks */
-#endif
};
/** cast wrapper */
-static INLINE struct swrast_texture_image *
+static inline struct swrast_texture_image *
swrast_texture_image(struct gl_texture_image *img)
{
return (struct swrast_texture_image *) img;
}
/** cast wrapper */
-static INLINE const struct swrast_texture_image *
+static inline const struct swrast_texture_image *
swrast_texture_image_const(const struct gl_texture_image *img)
{
return (const struct swrast_texture_image *) img;
/** Return SWcontext for the given struct gl_context */
-static INLINE SWcontext *
+static inline SWcontext *
SWRAST_CONTEXT(struct gl_context *ctx)
{
return (SWcontext *) ctx->swrast_context;
}
/** const version of above */
-static INLINE const SWcontext *
+static inline const SWcontext *
CONST_SWRAST_CONTEXT(const struct gl_context *ctx)
{
return (const SWcontext *) ctx->swrast_context;
* For drivers that rely on swrast for fallback rendering, this is the
* driver's opportunity to map renderbuffers and textures.
*/
-static INLINE void
+static inline void
swrast_render_start(struct gl_context *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
/** Called after framebuffer reading/writing */
-static INLINE void
+static inline void
swrast_render_finish(struct gl_context *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
}
+extern void
+_swrast_span_render_start(struct gl_context *ctx);
+
+extern void
+_swrast_span_render_finish(struct gl_context *ctx);
+
+extern void
+_swrast_map_textures(struct gl_context *ctx);
+
+extern void
+_swrast_unmap_textures(struct gl_context *ctx);
+
+extern void
+_swrast_map_texture(struct gl_context *ctx, struct gl_texture_object *texObj);
+
+extern void
+_swrast_unmap_texture(struct gl_context *ctx, struct gl_texture_object *texObj);
+
+
+extern void
+_swrast_map_renderbuffers(struct gl_context *ctx);
+
+extern void
+_swrast_unmap_renderbuffers(struct gl_context *ctx);
+
/**
* Size of an RGBA pixel, in bytes, for given datatype.