From: Eric Anholt Date: Fri, 15 Apr 2011 19:58:17 +0000 (-0700) Subject: mesa: Use _mesa_get_format_bytes to refactor out the RB get_pointer_* X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6ab9889a2704304a45b4da5b28840af08f6f42c5;p=mesa.git mesa: Use _mesa_get_format_bytes to refactor out the RB get_pointer_* Reviewed-by: Brian Paul --- diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c index b2e2e84963b..b59ba129b4b 100644 --- a/src/mesa/main/renderbuffer.c +++ b/src/mesa/main/renderbuffer.c @@ -53,24 +53,21 @@ * Routines for get/put values in common buffer formats follow. */ -/********************************************************************** - * Functions for buffers of 1 X GLubyte values. - * Typically stencil. - */ - static void * -get_pointer_ubyte(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) +get_pointer_generic(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLint x, GLint y) { if (!rb->Data) return NULL; - ASSERT(rb->DataType == GL_UNSIGNED_BYTE); - /* Can't assert rb->Format since these funcs may be used for serveral - * different formats (GL_ALPHA8, GL_STENCIL_INDEX8, etc). - */ - return (GLubyte *) rb->Data + y * rb->RowStride + x; + + return (rb->Data + + (y * rb->RowStride + x) * _mesa_get_format_bytes(rb->Format)); } +/********************************************************************** + * Functions for buffers of 1 X GLubyte values. + * Typically stencil. + */ static void get_row_ubyte(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, @@ -180,18 +177,6 @@ put_mono_values_ubyte(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint * Typically depth/Z. */ -static void * -get_pointer_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) -{ - if (!rb->Data) - return NULL; - ASSERT(rb->DataType == GL_UNSIGNED_SHORT); - ASSERT(rb->Width > 0); - return (GLushort *) rb->Data + y * rb->RowStride + x; -} - - static void get_row_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, void *values) @@ -309,18 +294,6 @@ put_mono_values_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb, * Typically depth/Z or color index. */ -static void * -get_pointer_uint(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) -{ - if (!rb->Data) - return NULL; - ASSERT(rb->DataType == GL_UNSIGNED_INT || - rb->DataType == GL_UNSIGNED_INT_24_8_EXT); - return (GLuint *) rb->Data + y * rb->RowStride + x; -} - - static void get_row_uint(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, void *values) @@ -605,18 +578,6 @@ put_mono_values_ubyte3(struct gl_context *ctx, struct gl_renderbuffer *rb, * Typically color buffers. */ -static void * -get_pointer_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) -{ - if (!rb->Data) - return NULL; - ASSERT(rb->DataType == GL_UNSIGNED_BYTE); - ASSERT(rb->Format == MESA_FORMAT_RGBA8888); - return (GLubyte *) rb->Data + 4 * (y * rb->RowStride + x); -} - - static void get_row_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, void *values) @@ -765,17 +726,6 @@ put_mono_values_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb, * Typically accum buffer. */ -static void * -get_pointer_ushort4(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint x, GLint y) -{ - if (!rb->Data) - return NULL; - ASSERT(rb->DataType == GL_UNSIGNED_SHORT || rb->DataType == GL_SHORT); - return (GLushort *) rb->Data + 4 * (y * rb->RowStride + x); -} - - static void get_row_ushort4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count, GLint x, GLint y, void *values) @@ -934,6 +884,8 @@ put_mono_values_ushort4(struct gl_context *ctx, struct gl_renderbuffer *rb, void _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) { + rb->GetPointer = get_pointer_generic; + switch (rb->Format) { case MESA_FORMAT_RGB888: rb->DataType = GL_UNSIGNED_BYTE; @@ -949,7 +901,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_RGBA8888: rb->DataType = GL_UNSIGNED_BYTE; - rb->GetPointer = get_pointer_ubyte4; rb->GetRow = get_row_ubyte4; rb->GetValues = get_values_ubyte4; rb->PutRow = put_row_ubyte4; @@ -961,7 +912,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_SIGNED_RGBA_16: rb->DataType = GL_SHORT; - rb->GetPointer = get_pointer_ushort4; rb->GetRow = get_row_ushort4; rb->GetValues = get_values_ushort4; rb->PutRow = put_row_ushort4; @@ -974,7 +924,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) #if 0 case MESA_FORMAT_A8: rb->DataType = GL_UNSIGNED_BYTE; - rb->GetPointer = get_pointer_alpha8; rb->GetRow = get_row_alpha8; rb->GetValues = get_values_alpha8; rb->PutRow = put_row_alpha8; @@ -987,7 +936,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_S8: rb->DataType = GL_UNSIGNED_BYTE; - rb->GetPointer = get_pointer_ubyte; rb->GetRow = get_row_ubyte; rb->GetValues = get_values_ubyte; rb->PutRow = put_row_ubyte; @@ -999,7 +947,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_Z16: rb->DataType = GL_UNSIGNED_SHORT; - rb->GetPointer = get_pointer_ushort; rb->GetRow = get_row_ushort; rb->GetValues = get_values_ushort; rb->PutRow = put_row_ushort; @@ -1013,7 +960,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_X8_Z24: case MESA_FORMAT_Z24_X8: rb->DataType = GL_UNSIGNED_INT; - rb->GetPointer = get_pointer_uint; rb->GetRow = get_row_uint; rb->GetValues = get_values_uint; rb->PutRow = put_row_uint; @@ -1026,7 +972,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb) case MESA_FORMAT_Z24_S8: case MESA_FORMAT_S8_Z24: rb->DataType = GL_UNSIGNED_INT_24_8_EXT; - rb->GetPointer = get_pointer_uint; rb->GetRow = get_row_uint; rb->GetValues = get_values_uint; rb->PutRow = put_row_uint;