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Major check-in of changes for GL_EXT_framebuffer_object extension.

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Main driver impacts:
- new code for creating the Mesa GLframebuffer
- new span/pixel read/write code
Some drivers not yet updated/tested.
This commit is contained in:
Brian Paul
2005-05-04 20:11:35 +00:00
parent ebef61f5c0
commit e4b2356c07
203 changed files with 11682 additions and 6335 deletions
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55
src/mesa/drivers/dri/common/depthtmp.h
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@@ -1,5 +1,13 @@
/* $XFree86: xc/lib/GL/mesa/src/drv/common/depthtmp.h,v 1.5 2001/03/21 16:14:20 dawes Exp $ */
/*
* Notes:
* 1. These functions plug into the gl_renderbuffer structure.
* 2. The 'values' parameter always points to GLuint values, regardless of
* the actual Z buffer depth.
*/
#ifndef DBG
#define DBG 0
#endif
@@ -20,12 +28,14 @@
#endif
static void TAG(WriteDepthSpan)( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth *depth,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *values,
const GLubyte mask[] )
{
HW_WRITE_LOCK()
{
const GLuint *depth = (const GLuint *) values;
GLint x1;
GLint n1;
LOCAL_DEPTH_VARS;
@@ -64,14 +74,31 @@ static void TAG(WriteDepthSpan)( GLcontext *ctx,
HW_WRITE_UNLOCK();
}
#if !HAVE_HW_DEPTH_SPANS
#if HAVE_HW_DEPTH_SPANS
/* implement MonoWriteDepthSpan() in terms of WriteDepthSpan() */
static void
TAG(WriteMonoDepthSpan)( GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *value, const GLubyte mask[] )
{
const GLuint depthVal = *((GLuint *) value);
GLuint depths[MAX_WIDTH];
GLuint i;
for (i = 0; i < n; i++)
depths[i] = depthVal;
TAG(WriteDepthSpan)(ctx, rb, n, x, y, depths, mask);
}
#else
static void TAG(WriteMonoDepthSpan)( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth depth,
const GLubyte mask[] )
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const void *value,
const GLubyte mask[] )
{
HW_WRITE_LOCK()
{
const GLuint depth = *((GLuint *) value);
GLint x1;
GLint n1;
LOCAL_DEPTH_VARS;
@@ -102,15 +129,18 @@ static void TAG(WriteMonoDepthSpan)( GLcontext *ctx,
}
#endif
static void TAG(WriteDepthPixels)( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n,
const GLint x[],
const GLint y[],
const GLdepth depth[],
const void *values,
const GLubyte mask[] )
{
HW_WRITE_LOCK()
{
const GLuint *depth = (const GLuint *) values;
GLuint i;
LOCAL_DEPTH_VARS;
@@ -141,11 +171,13 @@ static void TAG(WriteDepthPixels)( GLcontext *ctx,
/* Read depth spans and pixels
*/
static void TAG(ReadDepthSpan)( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
GLdepth depth[] )
void *values )
{
HW_READ_LOCK()
{
GLuint *depth = (GLuint *) values;
GLint x1, n1;
LOCAL_DEPTH_VARS;
@@ -172,12 +204,15 @@ static void TAG(ReadDepthSpan)( GLcontext *ctx,
HW_READ_UNLOCK();
}
static void TAG(ReadDepthPixels)( GLcontext *ctx, GLuint n,
static void TAG(ReadDepthPixels)( GLcontext *ctx,
struct gl_renderbuffer *rb,
GLuint n,
const GLint x[], const GLint y[],
GLdepth depth[] )
void *values )
{
HW_READ_LOCK()
{
GLuint *depth = (GLuint *) values;
GLuint i;
LOCAL_DEPTH_VARS;