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-rw-r--r--src/mesa/main/renderbuffer.c77
1 files changed, 11 insertions, 66 deletions
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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 21:39:31 +0000