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mesa: Use _mesa_get_format_bytes to refactor out the RB get_row_*

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Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Eric Anholt
2011-04-15 13:09:21 -07:00
parent 6ab9889a27
commit a52803e108
1 changed files with 11 additions and 61 deletions
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72
src/mesa/main/renderbuffer.c
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@@ -64,21 +64,21 @@ get_pointer_generic(struct gl_context *ctx, struct gl_renderbuffer *rb,
(y * rb->RowStride + x) * _mesa_get_format_bytes(rb->Format));
}
/* GetRow() implementation for formats where DataType matches the rb->Format.
*/
static void
get_row_generic(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLuint count, GLint x, GLint y, void *values)
{
void *src = rb->GetPointer(ctx, rb, x, y);
memcpy(values, src, count * _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,
GLint x, GLint y, void *values)
{
const GLubyte *src = (const GLubyte *) rb->Data + y * rb->RowStride + x;
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
memcpy(values, src, count * sizeof(GLubyte));
}
static void
get_values_ubyte(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
@@ -177,16 +177,6 @@ put_mono_values_ubyte(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint
* Typically depth/Z.
*/
static void
get_row_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
const void *src = rb->GetPointer(ctx, rb, x, y);
ASSERT(rb->DataType == GL_UNSIGNED_SHORT);
memcpy(values, src, count * sizeof(GLushort));
}
static void
get_values_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
@@ -294,17 +284,6 @@ put_mono_values_ushort(struct gl_context *ctx, struct gl_renderbuffer *rb,
* Typically depth/Z or color index.
*/
static void
get_row_uint(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
const void *src = rb->GetPointer(ctx, rb, x, y);
ASSERT(rb->DataType == GL_UNSIGNED_INT ||
rb->DataType == GL_UNSIGNED_INT_24_8_EXT);
memcpy(values, src, count * sizeof(GLuint));
}
static void
get_values_uint(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
@@ -578,18 +557,6 @@ put_mono_values_ubyte3(struct gl_context *ctx, struct gl_renderbuffer *rb,
* Typically color buffers.
*/
static void
get_row_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
const GLubyte *src = (const GLubyte *) (rb->Data +
4 * (y * rb->RowStride + x));
ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
ASSERT(rb->Format == MESA_FORMAT_RGBA8888);
memcpy(values, src, 4 * count * sizeof(GLubyte));
}
static void
get_values_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
@@ -726,17 +693,6 @@ put_mono_values_ubyte4(struct gl_context *ctx, struct gl_renderbuffer *rb,
* Typically accum buffer.
*/
static void
get_row_ushort4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
GLint x, GLint y, void *values)
{
const GLshort *src = (const GLshort *) (rb->Data +
4 * (y * rb->RowStride + x));
ASSERT(rb->DataType == GL_UNSIGNED_SHORT || rb->DataType == GL_SHORT);
memcpy(values, src, 4 * count * sizeof(GLshort));
}
static void
get_values_ushort4(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
const GLint x[], const GLint y[], void *values)
@@ -885,6 +841,7 @@ void
_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
{
rb->GetPointer = get_pointer_generic;
rb->GetRow = get_row_generic;
switch (rb->Format) {
case MESA_FORMAT_RGB888:
@@ -901,7 +858,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
case MESA_FORMAT_RGBA8888:
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetRow = get_row_ubyte4;
rb->GetValues = get_values_ubyte4;
rb->PutRow = put_row_ubyte4;
rb->PutRowRGB = put_row_rgb_ubyte4;
@@ -912,7 +868,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
case MESA_FORMAT_SIGNED_RGBA_16:
rb->DataType = GL_SHORT;
rb->GetRow = get_row_ushort4;
rb->GetValues = get_values_ushort4;
rb->PutRow = put_row_ushort4;
rb->PutRowRGB = put_row_rgb_ushort4;
@@ -924,7 +879,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
#if 0
case MESA_FORMAT_A8:
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetRow = get_row_alpha8;
rb->GetValues = get_values_alpha8;
rb->PutRow = put_row_alpha8;
rb->PutRowRGB = NULL;
@@ -936,7 +890,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
case MESA_FORMAT_S8:
rb->DataType = GL_UNSIGNED_BYTE;
rb->GetRow = get_row_ubyte;
rb->GetValues = get_values_ubyte;
rb->PutRow = put_row_ubyte;
rb->PutRowRGB = NULL;
@@ -947,7 +900,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
case MESA_FORMAT_Z16:
rb->DataType = GL_UNSIGNED_SHORT;
rb->GetRow = get_row_ushort;
rb->GetValues = get_values_ushort;
rb->PutRow = put_row_ushort;
rb->PutRowRGB = NULL;
@@ -960,7 +912,6 @@ _mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb)
case MESA_FORMAT_X8_Z24:
case MESA_FORMAT_Z24_X8:
rb->DataType = GL_UNSIGNED_INT;
rb->GetRow = get_row_uint;
rb->GetValues = get_values_uint;
rb->PutRow = put_row_uint;
rb->PutRowRGB = NULL;
@@ -972,7 +923,6 @@ _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->GetRow = get_row_uint;
rb->GetValues = get_values_uint;
rb->PutRow = put_row_uint;
rb->PutRowRGB = NULL;