#ifdef HAVE_CONFIG_H
#include "conf.h"
#endif
#ifdef SVGA
#include "svgapix.h"
#include "svgamesa8.h"
#include "swrast/swrast.h"
static void __svga_drawpixel8(int x, int y, unsigned long c)
{
unsigned long offset;
y = SVGAInfo->height-y-1;
offset = y * SVGAInfo->linewidth + x;
SVGABuffer.DrawBuffer[offset]=c;
}
static unsigned long __svga_getpixel8(int x, int y)
{
unsigned long offset;
y = SVGAInfo->height-y-1;
offset = y * SVGAInfo->linewidth + x;
return SVGABuffer.ReadBuffer[offset];
}
void __clear_index8( GLcontext *ctx, GLuint index )
{
SVGAMesa->clear_index = index;
}
void __clear8( GLcontext *ctx, GLbitfield mask )
{
int i,j;
int x = ctx->DrawBuffer->_Xmin;
int y = ctx->DrawBuffer->_Ymin;
int width = ctx->DrawBuffer->_Xmax - x;
int height = ctx->DrawBuffer->_Ymax - y;
GLboolean all = (width == ctx->DrawBuffer->Width && height == ctx->DrawBuffer->height)
if (mask & DD_FRONT_LEFT_BIT) {
if (all) {
memset(SVGABuffer.FrontBuffer, SVGAMesa->clear_index, SVGABuffer.BufferSize);
}
else {
GLubyte *tmp = SVGABuffer.DrawBuffer;
SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
for (i=x;i<width;i++)
for (j=y;j<height;j++)
__svga_drawpixel8(i,j,SVGAMesa->clear_index);
SVGABuffer.DrawBuffer = tmp;
}
mask &= ~DD_FRONT_LEFT_BIT;
}
if (mask & DD_BACK_LEFT_BIT) {
if (all) {
memset(SVGABuffer.BackBuffer, SVGAMesa->clear_index, SVGABuffer.BufferSize);
}
else {
GLubyte *tmp = SVGABuffer.DrawBuffer;
SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
for (i=x;i<width;i++)
for (j=y;j<height;j++)
__svga_drawpixel8(i,j,SVGAMesa->clear_index);
SVGABuffer.DrawBuffer = tmp;
}
mask &= ~DD_BACK_LEFT_BIT;
}
if (mask)
_swrast_Clear( ctx, mask );
}
void __write_ci32_span8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const GLuint index[], const GLubyte mask[] )
{
int i;
for (i=0;i<n;i++,x++) {
if (mask[i]) {
__svga_drawpixel8( x, y, index[i]);
}
}
}
void __write_ci8_span8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
const GLubyte index[], const GLubyte mask[] )
{
int i;
for (i=0;i<n;i++,x++) {
if (mask[i]) {
__svga_drawpixel8( x, y, index[i]);
}
}
}
void __write_mono_ci_span8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y,
GLuint colorIndex, const GLubyte mask[] )
{
int i;
for (i=0;i<n;i++,x++) {
if (mask[i]) {
__svga_drawpixel8( x, y, colorIndex);
}
}
}
void __read_ci32_span8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, GLint x, GLint y, GLuint index[])
{
int i;
for (i=0; i<n; i++,x++) {
index[i] = __svga_getpixel8( x, y);
}
}
void __write_ci32_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, const GLint x[], const GLint y[],
const GLuint index[], const GLubyte mask[] )
{
int i;
for (i=0; i<n; i++) {
if (mask[i]) {
__svga_drawpixel8( x[i], y[i], index[i]);
}
}
}
void __write_mono_ci_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, const GLint x[], const GLint y[],
GLuint colorIndex, const GLubyte mask[] )
{
int i;
for (i=0; i<n; i++) {
if (mask[i]) {
__svga_drawpixel8( x[i], y[i], colorIndex);
}
}
}
void __read_ci32_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb,
GLuint n, const GLint x[], const GLint y[],
GLuint index[], const GLubyte mask[] )
{
int i;
for (i=0; i<n; i++,x++) {
index[i] = __svga_getpixel8( x[i], y[i]);
}
}
#else
extern void _mesa_svga8_dummy_function(void);
void _mesa_svga8_dummy_function(void)
{
}
#endif