-/* $Id: osmesa.c,v 1.42 2001/01/29 20:47:39 keithw Exp $ */
+/* $Id: osmesa.c,v 1.74 2002/03/01 04:23:36 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
#include "GL/osmesa.h"
#include "context.h"
#include "colormac.h"
#include "depth.h"
+#include "extensions.h"
#include "macros.h"
-#include "mem.h"
#include "matrix.h"
+#include "mem.h"
#include "mmath.h"
#include "mtypes.h"
-#include "extensions.h"
+#include "texformat.h"
+#include "texstore.h"
+#include "array_cache/acache.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "swrast/s_context.h"
#include "swrast/s_lines.h"
#include "swrast/s_triangle.h"
#include "tnl/tnl.h"
-#include "array_cache/acache.h"
-#endif
-
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
* display lists. NULL indicates no sharing.
* Return: an OSMesaContext or 0 if error
*/
-OSMesaContext GLAPIENTRY
+GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContext( GLenum format, OSMesaContext sharelist )
{
return OSMesaCreateContextExt(format, DEFAULT_SOFTWARE_DEPTH_BITS,
*
* Create context and specify size of ancillary buffers.
*/
-OSMesaContext GLAPIENTRY
+GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
GLint accumBits, OSMesaContext sharelist )
{
OSMesaContext osmesa;
GLint rshift, gshift, bshift, ashift;
GLint rind, gind, bind, aind;
- GLint indexBits, redBits, greenBits, blueBits, alphaBits;
+ GLint indexBits = 0, redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
GLboolean rgbmode;
- GLboolean swalpha;
const GLuint i4 = 1;
const GLubyte *i1 = (GLubyte *) &i4;
const GLint little_endian = *i1;
- swalpha = GL_FALSE;
rind = gind = bind = aind = 0;
if (format==OSMESA_COLOR_INDEX) {
indexBits = 8;
}
else if (format==OSMESA_RGBA) {
indexBits = 0;
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- alphaBits = 8;
+ redBits = CHAN_BITS;
+ greenBits = CHAN_BITS;
+ blueBits = CHAN_BITS;
+ alphaBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
}
else if (format==OSMESA_BGRA) {
indexBits = 0;
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- alphaBits = 8;
- rind = 2;
- gind = 1;
+ redBits = CHAN_BITS;
+ greenBits = CHAN_BITS;
+ blueBits = CHAN_BITS;
+ alphaBits = CHAN_BITS;
bind = 0;
+ gind = 1;
+ rind = 2;
aind = 3;
if (little_endian) {
- ashift = 0;
- rshift = 8;
- gshift = 16;
- bshift = 24;
+ bshift = 0;
+ gshift = 8;
+ rshift = 16;
+ ashift = 24;
}
else {
bshift = 24;
}
else if (format==OSMESA_ARGB) {
indexBits = 0;
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
- alphaBits = 8;
+ redBits = CHAN_BITS;
+ greenBits = CHAN_BITS;
+ blueBits = CHAN_BITS;
+ alphaBits = CHAN_BITS;
+ aind = 0;
rind = 1;
gind = 2;
bind = 3;
- aind = 0;
if (little_endian) {
- bshift = 0;
- gshift = 8;
- rshift = 16;
- ashift = 24;
+ ashift = 0;
+ rshift = 8;
+ gshift = 16;
+ bshift = 24;
}
else {
ashift = 24;
}
else if (format==OSMESA_RGB) {
indexBits = 0;
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
+ redBits = CHAN_BITS;
+ greenBits = CHAN_BITS;
+ blueBits = CHAN_BITS;
alphaBits = 0;
bshift = 0;
gshift = 8;
gind = 1;
bind = 2;
rgbmode = GL_TRUE;
- swalpha = GL_TRUE;
}
else if (format==OSMESA_BGR) {
indexBits = 0;
- redBits = 8;
- greenBits = 8;
- blueBits = 8;
+ redBits = CHAN_BITS;
+ greenBits = CHAN_BITS;
+ blueBits = CHAN_BITS;
alphaBits = 0;
bshift = 0;
gshift = 8;
gind = 1;
bind = 0;
rgbmode = GL_TRUE;
- swalpha = GL_TRUE;
+ }
+ else if (format==OSMESA_RGB_565) {
+ indexBits = 0;
+ redBits = 5;
+ greenBits = 6;
+ blueBits = 5;
+ alphaBits = 0;
+ rshift = 11;
+ gshift = 5;
+ bshift = 0;
+ ashift = 0;
+ rind = 0; /* not used */
+ gind = 0;
+ bind = 0;
+ rgbmode = GL_TRUE;
}
else {
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->gl_ctx));
+ _mesa_enable_1_3_extensions(&(osmesa->gl_ctx));
osmesa->gl_buffer = _mesa_create_framebuffer( osmesa->gl_visual,
- osmesa->gl_visual->depthBits > 0,
- osmesa->gl_visual->stencilBits > 0,
- osmesa->gl_visual->accumRedBits > 0,
- osmesa->gl_visual->alphaBits > 0 );
+ (GLboolean) ( osmesa->gl_visual->depthBits > 0 ),
+ (GLboolean) ( osmesa->gl_visual->stencilBits > 0 ),
+ (GLboolean) ( osmesa->gl_visual->accumRedBits > 0 ),
+ GL_FALSE /* s/w alpha */ );
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_tnl_CreateContext( ctx );
_swsetup_CreateContext( ctx );
+ _swsetup_Wakeup( ctx );
osmesa_register_swrast_functions( ctx );
}
}
*
* Input: ctx - the context to destroy
*/
-void GLAPIENTRY OSMesaDestroyContext( OSMesaContext ctx )
+GLAPI void GLAPIENTRY OSMesaDestroyContext( OSMesaContext ctx )
{
if (ctx) {
+ _swsetup_DestroyContext( &ctx->gl_ctx );
+ _tnl_DestroyContext( &ctx->gl_ctx );
+ _ac_DestroyContext( &ctx->gl_ctx );
+ _swrast_DestroyContext( &ctx->gl_ctx );
+
_mesa_destroy_visual( ctx->gl_visual );
_mesa_destroy_framebuffer( ctx->gl_buffer );
_mesa_free_context_data( &ctx->gl_ctx );
/* RGB mode */
bytesPerPixel = 3 * sizeof(GLchan);
}
+ else if (ctx->format == OSMESA_RGB_565) {
+ /* 5/6/5 RGB pixel in 16 bits */
+ bytesPerPixel = 2;
+ }
else {
/* RGBA mode */
bytesPerPixel = 4 * sizeof(GLchan);
* with the lower-left image pixel stored in the first array position
* (ie. bottom-to-top).
*
- * Since the only type initially supported is GL_UNSIGNED_BYTE, if the
- * context is in RGBA mode, each pixel will be stored as a 4-byte RGBA
- * value. If the context is in color indexed mode, each pixel will be
- * stored as a 1-byte value.
- *
* If the context's viewport hasn't been initialized yet, it will now be
* initialized to (0,0,width,height).
*
* Input: ctx - the rendering context
* buffer - the image buffer memory
- * type - data type for pixel components, only GL_UNSIGNED_BYTE
- * supported now
+ * type - data type for pixel components
+ * Normally, only GL_UNSIGNED_BYTE and GL_UNSIGNED_SHORT_5_6_5
+ * are supported. But if Mesa's been compiled with CHAN_BITS==16
+ * then type must be GL_UNSIGNED_SHORT. And if Mesa's been build
+ * with CHAN_BITS==32 then type must be GL_FLOAT.
* width, height - size of image buffer in pixels, at least 1
* Return: GL_TRUE if success, GL_FALSE if error because of invalid ctx,
- * invalid buffer address, type!=GL_UNSIGNED_BYTE, width<1, height<1,
+ * invalid buffer address, invalid type, width<1, height<1,
* width>internal limit or height>internal limit.
*/
-GLboolean GLAPIENTRY
+GLAPI GLboolean GLAPIENTRY
OSMesaMakeCurrent( OSMesaContext ctx, void *buffer, GLenum type,
GLsizei width, GLsizei height )
{
- if (!ctx || !buffer || type != CHAN_TYPE ||
+ if (!ctx || !buffer ||
width < 1 || height < 1 ||
width > MAX_WIDTH || height > MAX_HEIGHT) {
return GL_FALSE;
}
+ if (ctx->format == OSMESA_RGB_565) {
+ if (type != GL_UNSIGNED_SHORT_5_6_5)
+ return GL_FALSE;
+ }
+ else if (type != CHAN_TYPE) {
+ return GL_FALSE;
+ }
+
osmesa_update_state( &ctx->gl_ctx, 0 );
_mesa_make_current( &ctx->gl_ctx, ctx->gl_buffer );
-OSMesaContext GLAPIENTRY OSMesaGetCurrentContext( void )
+GLAPI OSMesaContext GLAPIENTRY OSMesaGetCurrentContext( void )
{
GLcontext *ctx = _mesa_get_current_context();
if (ctx)
-void GLAPIENTRY OSMesaPixelStore( GLint pname, GLint value )
+GLAPI void GLAPIENTRY OSMesaPixelStore( GLint pname, GLint value )
{
OSMesaContext ctx = OSMesaGetCurrentContext();
switch (pname) {
case OSMESA_ROW_LENGTH:
if (value<0) {
- gl_error( &ctx->gl_ctx, GL_INVALID_VALUE,
+ _mesa_error( &ctx->gl_ctx, GL_INVALID_VALUE,
"OSMesaPixelStore(value)" );
return;
}
ctx->yup = value ? GL_TRUE : GL_FALSE;
break;
default:
- gl_error( &ctx->gl_ctx, GL_INVALID_ENUM, "OSMesaPixelStore(pname)" );
+ _mesa_error( &ctx->gl_ctx, GL_INVALID_ENUM, "OSMesaPixelStore(pname)" );
return;
}
}
-void GLAPIENTRY OSMesaGetIntegerv( GLint pname, GLint *value )
+GLAPI void GLAPIENTRY OSMesaGetIntegerv( GLint pname, GLint *value )
{
OSMesaContext ctx = OSMesaGetCurrentContext();
*value = ctx->format;
return;
case OSMESA_TYPE:
- *value = GL_UNSIGNED_BYTE;
+ *value = CHAN_TYPE;
return;
case OSMESA_ROW_LENGTH:
*value = ctx->rowlength;
case OSMESA_Y_UP:
*value = ctx->yup;
return;
+ case OSMESA_MAX_WIDTH:
+ *value = MAX_WIDTH;
+ return;
+ case OSMESA_MAX_HEIGHT:
+ *value = MAX_HEIGHT;
+ return;
default:
- gl_error(&ctx->gl_ctx, GL_INVALID_ENUM, "OSMesaGetIntergerv(pname)");
+ _mesa_error(&ctx->gl_ctx, GL_INVALID_ENUM, "OSMesaGetIntergerv(pname)");
return;
}
}
* buffer - pointer to depth buffer values
* Return: GL_TRUE or GL_FALSE to indicate success or failure.
*/
-GLboolean GLAPIENTRY
+GLAPI GLboolean GLAPIENTRY
OSMesaGetDepthBuffer( OSMesaContext c, GLint *width, GLint *height,
GLint *bytesPerValue, void **buffer )
{
else {
*width = c->gl_buffer->Width;
*height = c->gl_buffer->Height;
- *bytesPerValue = sizeof(GLdepth);
+ if (c->gl_visual->depthBits <= 16)
+ *bytesPerValue = sizeof(GLushort);
+ else
+ *bytesPerValue = sizeof(GLuint);
*buffer = c->gl_buffer->DepthBuffer;
return GL_TRUE;
}
* buffer - pointer to color buffer values
* Return: GL_TRUE or GL_FALSE to indicate success or failure.
*/
-GLboolean GLAPIENTRY
+GLAPI GLboolean GLAPIENTRY
OSMesaGetColorBuffer( OSMesaContext c, GLint *width,
GLint *height, GLint *format, void **buffer )
{
(DST)[2] = R; \
} while (0)
+#define PACK_RGB_565(DST, R, G, B) \
+do { \
+ (DST) = (((int) (R) << 8) & 0xf800) | (((int) (G) << 3) & 0x7e0) | ((int) (B) >> 3);\
+} while (0)
+
-#define UNPACK_RED(P) ( ((GLchan *) &(P))[osmesa->rInd] )
-#define UNPACK_GREEN(P) ( ((GLchan *) &(P))[osmesa->gInd] )
-#define UNPACK_BLUE(P) ( ((GLchan *) &(P))[osmesa->bInd] )
-#define UNPACK_ALPHA(P) ( ((GLchan *) &(P))[osmesa->aInd] )
+#define UNPACK_RED(P) ( (P)[osmesa->rInd] )
+#define UNPACK_GREEN(P) ( (P)[osmesa->gInd] )
+#define UNPACK_BLUE(P) ( (P)[osmesa->bInd] )
+#define UNPACK_ALPHA(P) ( (P)[osmesa->aInd] )
#define PIXELADDR1(X,Y) (osmesa->rowaddr[Y] + (X))
+#define PIXELADDR2(X,Y) (osmesa->rowaddr[Y] + 2 * (X))
#define PIXELADDR3(X,Y) (osmesa->rowaddr[Y] + 3 * (X))
#define PIXELADDR4(X,Y) (osmesa->rowaddr[Y] + 4 * (X))
}
-static GLbitfield clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint x, GLint y, GLint width, GLint height )
+static void clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
+ GLint x, GLint y, GLint width, GLint height )
{
OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
- /* we can't handle color or index masking */
- if (*colorMask != 0xffffffff || ctx->Color.IndexMask != 0xffffffff)
- return mask;
-
/* sanity check - we only have a front-left buffer */
ASSERT((mask & (DD_FRONT_RIGHT_BIT | DD_BACK_LEFT_BIT | DD_BACK_RIGHT_BIT)) == 0);
-
- if (mask & DD_FRONT_LEFT_BIT) {
- if (osmesa->format == OSMESA_COLOR_INDEX) {
- if (all) {
- /* Clear whole CI buffer */
+ if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) {
+ if (mask & DD_FRONT_LEFT_BIT) {
+ if (osmesa->format == OSMESA_COLOR_INDEX) {
+ if (all) {
+ /* Clear whole CI buffer */
#if CHAN_TYPE == GL_UNSIGNED_BYTE
- MEMSET(osmesa->buffer, ctx->Color.ClearIndex,
- osmesa->rowlength * osmesa->height);
+ MEMSET(osmesa->buffer, ctx->Color.ClearIndex,
+ osmesa->rowlength * osmesa->height);
#else
- const GLint n = osmesa->rowlength * osmesa->height;
- GLchan *buffer = (GLchan *) osmesa->buffer;
- GLint i;
- for (i = 0; i < n; i ++) {
- buffer[i] = ctx->Color.ClearIndex;
- }
+ const GLint n = osmesa->rowlength * osmesa->height;
+ GLchan *buffer = (GLchan *) osmesa->buffer;
+ GLint i;
+ for (i = 0; i < n; i ++) {
+ buffer[i] = ctx->Color.ClearIndex;
+ }
#endif
- }
- else {
- /* Clear part of CI buffer */
- const GLchan clearIndex = (GLchan) ctx->Color.ClearIndex;
- GLint i, j;
- for (i = 0; i < height; i++) {
- GLchan *ptr1 = PIXELADDR1(x, (y + i));
- for (j = 0; j < width; j++) {
- *ptr1++ = clearIndex;
- }
- }
- }
- }
- else if (osmesa->format == OSMESA_RGB) {
- const GLchan r = ctx->Color.ClearColor[0];
- const GLchan g = ctx->Color.ClearColor[1];
- const GLchan b = ctx->Color.ClearColor[2];
- if (all) {
- /* Clear whole RGB buffer */
- GLuint n = osmesa->rowlength * osmesa->height;
- GLchan *ptr3 = (GLchan *) osmesa->buffer;
- GLuint i;
- for (i = 0; i < n; i++) {
- PACK_RGB(ptr3, r, g, b);
- ptr3 += 3;
- }
- }
- else {
- /* Clear part of RGB buffer */
- GLint i, j;
- for (i = 0; i < height; i++) {
- GLchan *ptr3 = PIXELADDR3(x, (y + i));
- for (j = 0; j < width; j++) {
- PACK_RGB(ptr3, r, g, b);
- ptr3 += 3;
- }
- }
- }
- }
- else if (osmesa->format == OSMESA_BGR) {
- const GLchan r = ctx->Color.ClearColor[0];
- const GLchan g = ctx->Color.ClearColor[1];
- const GLchan b = ctx->Color.ClearColor[2];
- if (all) {
- /* Clear whole RGB buffer */
- const GLint n = osmesa->rowlength * osmesa->height;
- GLchan *ptr3 = (GLchan *) osmesa->buffer;
- GLint i;
- for (i = 0; i < n; i++) {
- PACK_BGR(ptr3, r, g, b);
- ptr3 += 3;
- }
- }
- else {
- /* Clear part of RGB buffer */
- GLint i, j;
- for (i = 0; i < height; i++) {
- GLchan *ptr3 = PIXELADDR3(x, (y + i));
- for (j = 0; j < width; j++) {
- PACK_BGR(ptr3, r, g, b);
- ptr3 += 3;
- }
- }
- }
- }
- else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
- /* 4-byte pixel value */
- GLuint clearPixel;
- GLchan *clr = (GLchan *) &clearPixel;
- clr[osmesa->rInd] = ctx->Color.ClearColor[0];
- clr[osmesa->gInd] = ctx->Color.ClearColor[1];
- clr[osmesa->bInd] = ctx->Color.ClearColor[2];
- clr[osmesa->aInd] = ctx->Color.ClearColor[3];
- if (all) {
- /* Clear whole RGBA buffer */
- const GLuint n = osmesa->rowlength * osmesa->height;
- GLuint *ptr4 = (GLuint *) osmesa->buffer;
- GLuint i;
- if (clearPixel) {
+ }
+ else {
+ /* Clear part of CI buffer */
+ const GLchan clearIndex = (GLchan) ctx->Color.ClearIndex;
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLchan *ptr1 = PIXELADDR1(x, (y + i));
+ for (j = 0; j < width; j++) {
+ *ptr1++ = clearIndex;
+ }
+ }
+ }
+ }
+ else if (osmesa->format == OSMESA_RGB) {
+ const GLchan r = ctx->Color.ClearColor[0];
+ const GLchan g = ctx->Color.ClearColor[1];
+ const GLchan b = ctx->Color.ClearColor[2];
+ if (all) {
+ /* Clear whole RGB buffer */
+ GLuint n = osmesa->rowlength * osmesa->height;
+ GLchan *ptr3 = (GLchan *) osmesa->buffer;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ PACK_RGB(ptr3, r, g, b);
+ ptr3 += 3;
+ }
+ }
+ else {
+ /* Clear part of RGB buffer */
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLchan *ptr3 = PIXELADDR3(x, (y + i));
+ for (j = 0; j < width; j++) {
+ PACK_RGB(ptr3, r, g, b);
+ ptr3 += 3;
+ }
+ }
+ }
+ }
+ else if (osmesa->format == OSMESA_BGR) {
+ const GLchan r = ctx->Color.ClearColor[0];
+ const GLchan g = ctx->Color.ClearColor[1];
+ const GLchan b = ctx->Color.ClearColor[2];
+ if (all) {
+ /* Clear whole RGB buffer */
+ const GLint n = osmesa->rowlength * osmesa->height;
+ GLchan *ptr3 = (GLchan *) osmesa->buffer;
+ GLint i;
+ for (i = 0; i < n; i++) {
+ PACK_BGR(ptr3, r, g, b);
+ ptr3 += 3;
+ }
+ }
+ else {
+ /* Clear part of RGB buffer */
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLchan *ptr3 = PIXELADDR3(x, (y + i));
+ for (j = 0; j < width; j++) {
+ PACK_BGR(ptr3, r, g, b);
+ ptr3 += 3;
+ }
+ }
+ }
+ }
+ else if (osmesa->format == OSMESA_RGB_565) {
+ const GLchan r = ctx->Color.ClearColor[0];
+ const GLchan g = ctx->Color.ClearColor[1];
+ const GLchan b = ctx->Color.ClearColor[2];
+ GLushort clearPixel;
+ PACK_RGB_565(clearPixel, r, g, b);
+ if (all) {
+ /* Clear whole RGB buffer */
+ const GLuint n = osmesa->rowlength * osmesa->height;
+ GLushort *ptr2 = (GLushort *) osmesa->buffer;
+ GLuint i;
for (i = 0; i < n; i++) {
- *ptr4++ = clearPixel;
+ *ptr2 = clearPixel;
+ ptr2++;
}
}
else {
- BZERO(ptr4, n * sizeof(GLuint));
- }
- }
- else {
- /* Clear part of RGBA buffer */
- GLint i, j;
- for (i = 0; i < height; i++) {
- GLuint *ptr4 = (GLuint *) PIXELADDR4(x, (y + i));
- for (j = 0; j < width; j++) {
- *ptr4++ = clearPixel;
+ /* clear scissored region */
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x, (y + i));
+ for (j = 0; j < width; j++) {
+ *ptr2 = clearPixel;
+ ptr2++;
+ }
}
}
}
+ else {
+#if CHAN_TYPE == GL_UNSIGNED_BYTE
+ /* 4-byte pixel value */
+ GLuint clearPixel;
+ GLchan *clr = (GLchan *) &clearPixel;
+ clr[osmesa->rInd] = ctx->Color.ClearColor[0];
+ clr[osmesa->gInd] = ctx->Color.ClearColor[1];
+ clr[osmesa->bInd] = ctx->Color.ClearColor[2];
+ clr[osmesa->aInd] = ctx->Color.ClearColor[3];
+ if (all) {
+ /* Clear whole RGBA buffer */
+ const GLuint n = osmesa->rowlength * osmesa->height;
+ GLuint *ptr4 = (GLuint *) osmesa->buffer;
+ GLuint i;
+ if (clearPixel) {
+ for (i = 0; i < n; i++) {
+ *ptr4++ = clearPixel;
+ }
+ }
+ else {
+ BZERO(ptr4, n * sizeof(GLuint));
+ }
+ }
+ else {
+ /* Clear part of RGBA buffer */
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLuint *ptr4 = (GLuint *) PIXELADDR4(x, (y + i));
+ for (j = 0; j < width; j++) {
+ *ptr4++ = clearPixel;
+ }
+ }
+ }
#else
- const GLchan r = ctx->Color.ClearColor[0];
- const GLchan g = ctx->Color.ClearColor[1];
- const GLchan b = ctx->Color.ClearColor[2];
- const GLchan a = ctx->Color.ClearColor[3];
- if (all) {
- /* Clear whole RGBA buffer */
- const GLuint n = osmesa->rowlength * osmesa->height;
- GLchan *p = (GLchan *) osmesa->buffer;
- GLuint i;
- for (i = 0; i < n; i++) {
- PACK_RGBA(p, r, g, b, a);
- p += 4;
- }
- }
- else {
- /* Clear part of RGBA buffer */
- GLint i, j;
- for (i = 0; i < height; i++) {
- GLchan *p = PIXELADDR4(x, (y + i));
- for (j = 0; j < width; j++) {
- PACK_RGBA(p, r, g, b, a);
- p += 4;
- }
- }
- }
+ const GLchan r = ctx->Color.ClearColor[0];
+ const GLchan g = ctx->Color.ClearColor[1];
+ const GLchan b = ctx->Color.ClearColor[2];
+ const GLchan a = ctx->Color.ClearColor[3];
+ if (all) {
+ /* Clear whole RGBA buffer */
+ const GLuint n = osmesa->rowlength * osmesa->height;
+ GLchan *p = (GLchan *) osmesa->buffer;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ PACK_RGBA(p, r, g, b, a);
+ p += 4;
+ }
+ }
+ else {
+ /* Clear part of RGBA buffer */
+ GLint i, j;
+ for (i = 0; i < height; i++) {
+ GLchan *p = PIXELADDR4(x, (y + i));
+ for (j = 0; j < width; j++) {
+ PACK_RGBA(p, r, g, b, a);
+ p += 4;
+ }
+ }
+ }
#endif
+ }
+ mask &= ~DD_FRONT_LEFT_BIT;
}
}
- /* have Mesa clear all other buffers */
- return mask & (~DD_FRONT_LEFT_BIT);
+
+ if (mask)
+ _swrast_Clear( ctx, mask, all, x, y, width, height );
}
if (mask) {
for (i = 0; i < n; i++, p+=4) {
if (mask[i]) {
- PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255);
+ PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], CHAN_MAX);
}
}
}
else {
for (i = 0; i < n; i++, p+=4) {
- PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255);
+ PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], CHAN_MAX);
}
}
}
rgba[i][RCOMP] = UNPACK_RED(p);
rgba[i][GCOMP] = UNPACK_GREEN(p);
rgba[i][BCOMP] = UNPACK_BLUE(p);
- rgba[i][ACOMP] = 255;
+ rgba[i][ACOMP] = CHAN_MAX;
}
}
rgba[i][RCOMP] = UNPACK_RED(p);
rgba[i][GCOMP] = UNPACK_GREEN(p);
rgba[i][BCOMP] = UNPACK_BLUE(p);
- rgba[i][ACOMP] = 255;
+ rgba[i][ACOMP] = CHAN_MAX;
}
}
}
+/**********************************************************************/
+/***** 2 byte RGB pixel support funcs *****/
+/**********************************************************************/
+
+/* Write RGBA pixels to an RGB_565 buffer. */
+static void
+write_rgba_span2( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ CONST GLchan rgba[][4], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x, y);
+ GLuint i;
+ if (mask) {
+ for (i = 0; i < n; i++, ptr2++) {
+ if (mask[i]) {
+ PACK_RGB_565(*ptr2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+ }
+ }
+ }
+ else {
+ for (i = 0; i < n; i++, ptr2++) {
+ PACK_RGB_565(*ptr2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+ }
+ }
+}
+
+
+/* Write RGB pixels to an RGB_565 buffer. */
+static void
+write_rgb_span2( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ CONST GLchan rgb[][3], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x, y);
+ GLuint i;
+ if (mask) {
+ for (i = 0; i < n; i++, ptr2++) {
+ if (mask[i]) {
+ PACK_RGB_565(*ptr2, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
+ }
+ }
+ }
+ else {
+ for (i = 0; i < n; i++, ptr2++) {
+ PACK_RGB_565(*ptr2, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
+ }
+ }
+}
+
+
+static void
+write_monocolor_span2( const GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLchan color[4], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLushort pixel;
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x, y);
+ GLuint i;
+ PACK_RGB_565(pixel, color[RCOMP], color[GCOMP], color[BCOMP]);
+ for (i = 0; i < n; i++, ptr2++) {
+ if (mask[i]) {
+ *ptr2 = pixel;
+ }
+ }
+}
+
+
+static void
+write_rgba_pixels2( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ CONST GLchan rgba[][4], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x[i],y[i]);
+ PACK_RGB_565(*ptr2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+ }
+ }
+}
+
+static void
+write_monocolor_pixels2( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLchan color[4], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLuint i;
+ GLushort pixel;
+ PACK_RGB_565(pixel, color[RCOMP], color[GCOMP], color[BCOMP]);
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ GLushort *ptr2 = (GLushort *) PIXELADDR2(x[i],y[i]);
+ *ptr2 = pixel;
+ }
+ }
+}
+
+static void
+read_rgba_span2( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLchan rgba[][4] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLuint i;
+ const GLushort *ptr2 = (const GLushort *) PIXELADDR2(x, y);
+ for (i = 0; i < n; i++, ptr2++) {
+ /* This should be fixed to get the low bits right */
+ rgba[i][RCOMP] = (*ptr2 >> 8) & 0xFe;
+ rgba[i][GCOMP] = (*ptr2 >> 3) & 0xFc;
+ rgba[i][BCOMP] = (*ptr2 << 3) & 0xFe;
+ rgba[i][ACOMP] = 0;
+ }
+}
+
+static void
+read_rgba_pixels2( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLchan rgba[][4], const GLubyte mask[] )
+{
+ OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ /* This should be fixed to get the low bits right */
+ const GLushort *ptr2 = (const GLushort *) PIXELADDR2(x[i],y[i]);
+ rgba[i][RCOMP] = (*ptr2 >> 8) & 0xFE;
+ rgba[i][GCOMP] = (*ptr2 >> 3) & 0xFC;
+ rgba[i][BCOMP] = (*ptr2 << 3) & 0xFE;
+ rgba[i][ACOMP] = 0;
+ }
+ }
+}
+
+
+
/**********************************************************************/
/***** Read/write spans/arrays of CI pixels *****/
/**********************************************************************/
flat_rgba_line( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
{
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
- const GLchan *color = vert0->color;
+ const GLchan *color = vert1->color;
#define INTERP_XY 1
#define CLIP_HACK 1
flat_rgba_z_line(GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1)
{
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
- const GLchan *color = vert0->color;
+ const GLchan *color = vert1->color;
#define INTERP_XY 1
#define INTERP_Z 1
const GLint gshift = osmesa->gshift;
const GLint bshift = osmesa->bshift;
const GLint avalue = vert0->color[3];
- const GLint msavalue = 255 - avalue;
- const GLint rvalue = vert0->color[0]*avalue;
- const GLint gvalue = vert0->color[1]*avalue;
- const GLint bvalue = vert0->color[2]*avalue;
+ const GLint msavalue = CHAN_MAX - avalue;
+ const GLint rvalue = vert1->color[0]*avalue;
+ const GLint gvalue = vert1->color[1]*avalue;
+ const GLint bvalue = vert1->color[2]*avalue;
#define INTERP_XY 1
#define CLIP_HACK 1
#define PLOT(X,Y) \
- { GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \
+ { GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \
GLuint pixel = 0; \
pixel |=((((((*ptr4) >> rshift) & 0xff)*msavalue+rvalue)>>8) << rshift);\
pixel |=((((((*ptr4) >> gshift) & 0xff)*msavalue+gvalue)>>8) << gshift);\
*ptr4 = pixel; \
}
+#if 0 /* XXX use this in the future */
+#define PLOT(X,Y) \
+ { \
+ GLchan *pixel = (GLchan *) PIXELADDR4(X, Y); \
+ pixel[rInd] = (pixel[rInd] * msavalue + rvalue) >> CHAN_BITS; \
+ pixel[gInd] = (pixel[gInd] * msavalue + gvalue) >> CHAN_BITS; \
+ pixel[bInd] = (pixel[bInd] * msavalue + bvalue) >> CHAN_BITS; \
+ pixel[aInd] = (pixel[aInd] * msavalue + avalue) >> CHAN_BITS; \
+ }
+#endif
+
#ifdef WIN32
#include "..\swrast\s_linetemp.h"
#else
/*
* Draw a flat-shaded, Z-less, alpha-blended, RGB line into an osmesa buffer.
+ * But don't write to Z buffer.
* XXX update for GLchan
*/
static void
const GLint bshift = osmesa->bshift;
const GLint avalue = vert0->color[3];
const GLint msavalue = 256 - avalue;
- const GLint rvalue = vert0->color[0]*avalue;
- const GLint gvalue = vert0->color[1]*avalue;
- const GLint bvalue = vert0->color[2]*avalue;
+ const GLint rvalue = vert1->color[0]*avalue;
+ const GLint gvalue = vert1->color[1]*avalue;
+ const GLint bvalue = vert1->color[2]*avalue;
#define INTERP_XY 1
#define INTERP_Z 1
*ptr4 = pixel; \
}
+#if 0 /* XXX use this in the future */
+#define PLOT(X,Y) \
+ if (Z < *zPtr) { \
+ GLchan *pixel = (GLchan *) PIXELADDR4(X, Y); \
+ pixel[rInd] = (pixel[rInd] * msavalue + rvalue) >> CHAN_BITS; \
+ pixel[gInd] = (pixel[gInd] * msavalue + gvalue) >> CHAN_BITS; \
+ pixel[bInd] = (pixel[bInd] * msavalue + bvalue) >> CHAN_BITS; \
+ pixel[aInd] = (pixel[aInd] * msavalue + avalue) >> CHAN_BITS; \
+ }
+#endif
+
#ifdef WIN32
#include "..\swrast\s_linetemp.h"
#else
const GLint bshift = osmesa->bshift;
const GLint avalue = vert0->color[3];
const GLint msavalue = 256 - avalue;
- const GLint rvalue = vert0->color[0]*avalue;
- const GLint gvalue = vert0->color[1]*avalue;
- const GLint bvalue = vert0->color[2]*avalue;
+ const GLint rvalue = vert1->color[0]*avalue;
+ const GLint gvalue = vert1->color[1]*avalue;
+ const GLint bvalue = vert1->color[2]*avalue;
#define INTERP_XY 1
#define INTERP_Z 1
*zPtr = Z; \
}
+#if 0 /* XXX use this in the future */
+#define PLOT(X,Y) \
+ if (Z < *zPtr) { \
+ GLchan *pixel = (GLchan *) PIXELADDR4(X, Y); \
+ pixel[rInd] = (pixel[rInd] * msavalue + rvalue) >> CHAN_BITS; \
+ pixel[gInd] = (pixel[gInd] * msavalue + gvalue) >> CHAN_BITS; \
+ pixel[bInd] = (pixel[bInd] * msavalue + bvalue) >> CHAN_BITS; \
+ pixel[aInd] = (pixel[aInd] * msavalue + avalue) >> CHAN_BITS; \
+ *zPtr = Z; \
+ }
+#endif
+
#ifdef WIN32
#include "..\swrast\s_linetemp.h"
#else
&& ctx->Depth.Func==GL_LESS
&& ctx->Depth.Mask==GL_TRUE
&& ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
- return flat_rgba_z_line;
+ return (swrast_line_func) flat_rgba_z_line;
}
if (swrast->_RasterMask == 0) {
- return flat_rgba_line;
+ return (swrast_line_func) flat_rgba_line;
}
if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT)
&& ctx->Color.BlendSrcA==GL_SRC_ALPHA
&& ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA
&& ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) {
- return flat_blend_rgba_z_line_write;
+ return (swrast_line_func) flat_blend_rgba_z_line_write;
}
if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT)
&& ctx->Color.BlendSrcA==GL_SRC_ALPHA
&& ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA
&& ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) {
- return flat_blend_rgba_z_line;
+ return (swrast_line_func) flat_blend_rgba_z_line;
}
if (swrast->_RasterMask==BLEND_BIT
&& ctx->Color.BlendSrcA==GL_SRC_ALPHA
&& ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA
&& ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) {
- return flat_blend_rgba_line;
+ return (swrast_line_func) flat_blend_rgba_line;
}
- return NULL;
+ return (swrast_line_func) NULL;
}
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define INTERP_RGB 1
#define INTERP_ALPHA 1
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
-{ \
- GLint i, len = RIGHT-LEFT; \
- GLchan *img = PIXELADDR4(LEFT, Y); \
- (void) fffog; \
- for (i = 0; i < len; i++, img += 4) { \
- GLdepth z = FixedToDepth(ffz); \
+#define RENDER_SPAN( span ) \
+ GLuint i; \
+ GLchan *img = PIXELADDR4(span.x, span.y); \
+ for (i = 0; i < span.end; i++, img += 4) { \
+ const GLdepth z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
- PACK_RGBA(img, FixedToInt(ffr), FixedToInt(ffg), \
- FixedToInt(ffb), FixedToInt(ffa)); \
+ PACK_RGBA(img, FixedToChan(span.red), \
+ FixedToChan(span.green), FixedToChan(span.blue), \
+ FixedToChan(span.alpha)); \
zRow[i] = z; \
} \
- ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; ffa += fdadx;\
- ffz += fdzdx; \
- } \
-}
+ span.red += span.redStep; \
+ span.green += span.greenStep; \
+ span.blue += span.blueStep; \
+ span.alpha += span.alphaStep; \
+ span.z += span.zStep; \
+ }
+
#ifdef WIN32
#include "..\swrast\s_tritemp.h"
#else
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define SETUP_CODE \
GLuint pixel; \
- PACK_RGBA((GLchan *) &pixel, v0->color[0], v0->color[1], \
- v0->color[2], v0->color[3]);
-
-#define INNER_LOOP( LEFT, RIGHT, Y ) \
-{ \
- GLint i, len = RIGHT-LEFT; \
- GLuint *img = (GLuint *) PIXELADDR4(LEFT, Y); \
- (void) fffog; \
- for (i=0;i<len;i++) { \
- GLdepth z = FixedToDepth(ffz); \
+ PACK_RGBA((GLchan *) &pixel, v2->color[0], v2->color[1], \
+ v2->color[2], v2->color[3]);
+
+#define RENDER_SPAN( span ) \
+ GLuint i; \
+ GLuint *img = (GLuint *) PIXELADDR4(span.x, span.y); \
+ for (i = 0; i < span.end; i++) { \
+ const GLdepth z = FixedToDepth(span.z); \
if (z < zRow[i]) { \
img[i] = pixel; \
zRow[i] = z; \
} \
- ffz += fdzdx; \
- } \
-}
+ span.z += span.zStep; \
+ }
+
#ifdef WIN32
#include "..\swrast\s_tritemp.h"
#else
ctx->Depth.Mask == GL_TRUE &&
ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) {
if (ctx->Light.ShadeModel == GL_SMOOTH) {
- return smooth_rgba_z_triangle;
+ return (swrast_tri_func) smooth_rgba_z_triangle;
}
else {
- return flat_rgba_z_triangle;
+ return (swrast_tri_func) flat_rgba_z_triangle;
}
}
return (swrast_tri_func) NULL;
(void) ctx;
switch (name) {
case GL_RENDERER:
+#if CHAN_BITS == 32
+ return (const GLubyte *) "Mesa OffScreen32";
+#elif CHAN_BITS == 16
+ return (const GLubyte *) "Mesa OffScreen16";
+#else
return (const GLubyte *) "Mesa OffScreen";
+#endif
default:
return NULL;
}
static void osmesa_update_state( GLcontext *ctx, GLuint new_state )
{
OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+ struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
ASSERT((void *) osmesa == (void *) ctx->DriverCtx);
ctx->Driver.GetString = get_string;
ctx->Driver.UpdateState = osmesa_update_state;
-
ctx->Driver.SetDrawBuffer = set_draw_buffer;
- ctx->Driver.SetReadBuffer = set_read_buffer;
+ ctx->Driver.ResizeBuffersMESA = _swrast_alloc_buffers;
+ ctx->Driver.GetBufferSize = buffer_size;
ctx->Driver.Accum = _swrast_Accum;
ctx->Driver.Bitmap = _swrast_Bitmap;
ctx->Driver.CopyPixels = _swrast_CopyPixels;
ctx->Driver.DrawPixels = _swrast_DrawPixels;
ctx->Driver.ReadPixels = _swrast_ReadPixels;
- ctx->Driver.ResizeBuffersMESA = _swrast_alloc_buffers;
-
- ctx->Driver.GetBufferSize = buffer_size;
- ctx->Driver.PointsFunc = _swsetup_Points;
- ctx->Driver.LineFunc = _swsetup_Line;
- ctx->Driver.TriangleFunc = _swsetup_Triangle;
- ctx->Driver.QuadFunc = _swsetup_Quad;
- ctx->Driver.BuildProjectedVertices = _swsetup_BuildProjectedVertices;
- ctx->Driver.RenderPrimitive = _swsetup_RenderPrimitive;
- ctx->Driver.RenderStart = _swsetup_RenderStart;
- ctx->Driver.RenderFinish = _swsetup_RenderFinish;
- ctx->Driver.RenderInterp = _swsetup_RenderInterp;
- ctx->Driver.RenderCopyPV = _swsetup_RenderCopyPV;
- ctx->Driver.RenderClippedLine = _swsetup_RenderClippedLine;
- ctx->Driver.RenderClippedPolygon = _swsetup_RenderClippedPolygon;
+ ctx->Driver.ChooseTextureFormat = _mesa_choose_tex_format;
+ ctx->Driver.TexImage1D = _mesa_store_teximage1d;
+ ctx->Driver.TexImage2D = _mesa_store_teximage2d;
+ ctx->Driver.TexImage3D = _mesa_store_teximage3d;
+ ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
+ ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d;
+ ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
+ ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
+
+ ctx->Driver.CopyTexImage1D = _swrast_copy_teximage1d;
+ ctx->Driver.CopyTexImage2D = _swrast_copy_teximage2d;
+ ctx->Driver.CopyTexSubImage1D = _swrast_copy_texsubimage1d;
+ ctx->Driver.CopyTexSubImage2D = _swrast_copy_texsubimage2d;
+ ctx->Driver.CopyTexSubImage3D = _swrast_copy_texsubimage3d;
+ ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
+ ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
+ ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
+ ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+
+ ctx->Driver.BaseCompressedTexFormat = _mesa_base_compressed_texformat;
+ ctx->Driver.CompressedTextureSize = _mesa_compressed_texture_size;
+ ctx->Driver.GetCompressedTexImage = _mesa_get_compressed_teximage;
/* RGB(A) span/pixel functions */
if (osmesa->format == OSMESA_RGB) {
- ctx->Driver.WriteRGBASpan = write_rgba_span_RGB;
- ctx->Driver.WriteRGBSpan = write_rgb_span_RGB;
- ctx->Driver.WriteMonoRGBASpan = write_monocolor_span_RGB;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_RGB;
- ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels_RGB;
- ctx->Driver.ReadRGBASpan = read_rgba_span3;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels3;
+ swdd->WriteRGBASpan = write_rgba_span_RGB;
+ swdd->WriteRGBSpan = write_rgb_span_RGB;
+ swdd->WriteMonoRGBASpan = write_monocolor_span_RGB;
+ swdd->WriteRGBAPixels = write_rgba_pixels_RGB;
+ swdd->WriteMonoRGBAPixels = write_monocolor_pixels_RGB;
+ swdd->ReadRGBASpan = read_rgba_span3;
+ swdd->ReadRGBAPixels = read_rgba_pixels3;
}
else if (osmesa->format == OSMESA_BGR) {
- ctx->Driver.WriteRGBASpan = write_rgba_span_BGR;
- ctx->Driver.WriteRGBSpan = write_rgb_span_BGR;
- ctx->Driver.WriteMonoRGBASpan = write_monocolor_span_BGR;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels_BGR;
- ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels_BGR;
- ctx->Driver.ReadRGBASpan = read_rgba_span3;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels3;
+ swdd->WriteRGBASpan = write_rgba_span_BGR;
+ swdd->WriteRGBSpan = write_rgb_span_BGR;
+ swdd->WriteMonoRGBASpan = write_monocolor_span_BGR;
+ swdd->WriteRGBAPixels = write_rgba_pixels_BGR;
+ swdd->WriteMonoRGBAPixels = write_monocolor_pixels_BGR;
+ swdd->ReadRGBASpan = read_rgba_span3;
+ swdd->ReadRGBAPixels = read_rgba_pixels3;
+ }
+ else if (osmesa->format == OSMESA_RGB_565) {
+ swdd->WriteRGBASpan = write_rgba_span2;
+ swdd->WriteRGBSpan = write_rgb_span2;
+ swdd->WriteMonoRGBASpan = write_monocolor_span2;
+ swdd->WriteRGBAPixels = write_rgba_pixels2;
+ swdd->WriteMonoRGBAPixels = write_monocolor_pixels2;
+ swdd->ReadRGBASpan = read_rgba_span2;
+ swdd->ReadRGBAPixels = read_rgba_pixels2;
}
else {
- /* 4 bytes / pixel in frame buffer */
- ctx->Driver.WriteRGBSpan = write_rgb_span;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels;
- ctx->Driver.WriteMonoRGBASpan = write_monocolor_span;
- ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels;
+ /* 4 GLchan / pixel in frame buffer */
+ swdd->WriteRGBSpan = write_rgb_span;
+ swdd->WriteRGBAPixels = write_rgba_pixels;
+ swdd->WriteMonoRGBASpan = write_monocolor_span;
+ swdd->WriteMonoRGBAPixels = write_monocolor_pixels;
if (osmesa->format == OSMESA_RGBA &&
CHAN_TYPE == GL_UNSIGNED_BYTE &&
RCOMP==0 && GCOMP==1 && BCOMP==2 && ACOMP==3) {
/* special, fast case */
- ctx->Driver.WriteRGBASpan = write_rgba_span_rgba;
- ctx->Driver.ReadRGBASpan = read_rgba_span_rgba;
+ swdd->WriteRGBASpan = write_rgba_span_rgba;
+ swdd->ReadRGBASpan = read_rgba_span_rgba;
}
else {
- ctx->Driver.WriteRGBASpan = write_rgba_span;
- ctx->Driver.ReadRGBASpan = read_rgba_span;
+ swdd->WriteRGBASpan = write_rgba_span;
+ swdd->ReadRGBASpan = read_rgba_span;
}
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels;
+ swdd->ReadRGBAPixels = read_rgba_pixels;
}
/* CI span/pixel functions */
- ctx->Driver.WriteCI32Span = write_index32_span;
- ctx->Driver.WriteCI8Span = write_index8_span;
- ctx->Driver.WriteMonoCISpan = write_monoindex_span;
- ctx->Driver.WriteCI32Pixels = write_index_pixels;
- ctx->Driver.WriteMonoCIPixels = write_monoindex_pixels;
- ctx->Driver.ReadCI32Span = read_index_span;
- ctx->Driver.ReadCI32Pixels = read_index_pixels;
+ swdd->WriteCI32Span = write_index32_span;
+ swdd->WriteCI8Span = write_index8_span;
+ swdd->WriteMonoCISpan = write_monoindex_span;
+ swdd->WriteCI32Pixels = write_index_pixels;
+ swdd->WriteMonoCIPixels = write_monoindex_pixels;
+ swdd->ReadCI32Span = read_index_span;
+ swdd->ReadCI32Pixels = read_index_pixels;
+
+ swdd->SetReadBuffer = set_read_buffer;
+
+ tnl->Driver.RunPipeline = _tnl_run_pipeline;
_swrast_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );