#include "GL/osmesa.h"
#include "main/context.h"
#include "main/extensions.h"
+#include "main/formats.h"
#include "main/framebuffer.h"
#include "main/imports.h"
+#include "main/macros.h"
#include "main/mtypes.h"
#include "main/renderbuffer.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "swrast/s_context.h"
#include "swrast/s_lines.h"
+#include "swrast/s_renderbuffer.h"
#include "swrast/s_triangle.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
#include "vbo/vbo.h"
+#define OSMESA_RENDERBUFFER_CLASS 0x053
+
/**
- * OSMesa rendering context, derived from core Mesa GLcontext.
+ * OSMesa rendering context, derived from core Mesa struct gl_context.
*/
struct osmesa_context
{
- GLcontext mesa; /*< Base class - this must be first */
- GLvisual *gl_visual; /*< Describes the buffers */
- struct gl_renderbuffer *rb; /*< The user's colorbuffer */
- GLframebuffer *gl_buffer; /*< The framebuffer, containing user's rb */
+ struct gl_context mesa; /*< Base class - this must be first */
+ struct gl_config *gl_visual; /*< Describes the buffers */
+ struct swrast_renderbuffer *srb; /*< The user's colorbuffer */
+ struct gl_framebuffer *gl_buffer; /*< The framebuffer, containing user's rb */
GLenum format; /*< User-specified context format */
GLint userRowLength; /*< user-specified number of pixels per row */
GLint rInd, gInd, bInd, aInd;/*< index offsets for RGBA formats */
- GLvoid *rowaddr[MAX_HEIGHT]; /*< address of first pixel in each image row */
+ GLvoid *rowaddr[SWRAST_MAX_HEIGHT]; /*< address of first pixel in each image row */
GLboolean yup; /*< TRUE -> Y increases upward */
/*< FALSE -> Y increases downward */
+ GLenum DataType;
};
static INLINE OSMesaContext
-OSMESA_CONTEXT(GLcontext *ctx)
+OSMESA_CONTEXT(struct gl_context *ctx)
{
/* Just cast, since we're using structure containment */
return (OSMesaContext) ctx;
static const GLubyte *
-get_string( GLcontext *ctx, GLenum name )
+get_string( struct gl_context *ctx, GLenum name )
{
(void) ctx;
switch (name) {
static void
-osmesa_update_state( GLcontext *ctx, GLuint new_state )
+osmesa_update_state( struct gl_context *ctx, GLuint new_state )
{
/* easy - just propogate */
_swrast_InvalidateState( ctx, new_state );
-/**********************************************************************/
-/***** Read/write spans/arrays of pixels *****/
-/**********************************************************************/
-
-/* 8-bit RGBA */
-#define NAME(PREFIX) PREFIX##_RGBA8
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]; \
- DST[3] = 255
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-/* 16-bit RGBA */
-#define NAME(PREFIX) PREFIX##_RGBA16
-#define RB_TYPE GLushort
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]; \
- DST[3] = 65535
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-/* 32-bit RGBA */
-#define NAME(PREFIX) PREFIX##_RGBA32
-#define RB_TYPE GLfloat
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLfloat *P = (GLfloat *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = MAX2((VALUE[RCOMP]), 0.0F); \
- DST[1] = MAX2((VALUE[GCOMP]), 0.0F); \
- DST[2] = MAX2((VALUE[BCOMP]), 0.0F); \
- DST[3] = CLAMP((VALUE[ACOMP]), 0.0F, 1.0F)
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[0] = MAX2((VALUE[RCOMP]), 0.0F); \
- DST[1] = MAX2((VALUE[GCOMP]), 0.0F); \
- DST[2] = MAX2((VALUE[BCOMP]), 0.0F); \
- DST[3] = 1.0F
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-
-/* 8-bit BGRA */
-#define NAME(PREFIX) PREFIX##_BGRA8
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = 255
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-/* 16-bit BGRA */
-#define NAME(PREFIX) PREFIX##_BGRA16
-#define RB_TYPE GLushort
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = 65535
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-/* 32-bit BGRA */
-#define NAME(PREFIX) PREFIX##_BGRA32
-#define RB_TYPE GLfloat
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLfloat *P = (GLfloat *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]; \
- DST[3] = 1.0F
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = SRC[3]
-#include "swrast/s_spantemp.h"
-
-
-/* 8-bit ARGB */
-#define NAME(PREFIX) PREFIX##_ARGB8
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = 255
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[1]; \
- DST[GCOMP] = SRC[2]; \
- DST[BCOMP] = SRC[3]; \
- DST[ACOMP] = SRC[0]
-#include "swrast/s_spantemp.h"
-
-/* 16-bit ARGB */
-#define NAME(PREFIX) PREFIX##_ARGB16
-#define RB_TYPE GLushort
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = 65535
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[1]; \
- DST[GCOMP] = SRC[2]; \
- DST[BCOMP] = SRC[3]; \
- DST[ACOMP] = SRC[0]
-#include "swrast/s_spantemp.h"
-
-/* 32-bit ARGB */
-#define NAME(PREFIX) PREFIX##_ARGB32
-#define RB_TYPE GLfloat
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLfloat *P = (GLfloat *) osmesa->rowaddr[Y] + 4 * (X)
-#define INC_PIXEL_PTR(P) P += 4
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = VALUE[ACOMP]
-#define STORE_PIXEL_RGB(DST, X, Y, VALUE) \
- DST[1] = VALUE[RCOMP]; \
- DST[2] = VALUE[GCOMP]; \
- DST[3] = VALUE[BCOMP]; \
- DST[0] = 1.0F
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[1]; \
- DST[GCOMP] = SRC[2]; \
- DST[BCOMP] = SRC[3]; \
- DST[ACOMP] = SRC[0]
-#include "swrast/s_spantemp.h"
-
-
-/* 8-bit RGB */
-#define NAME(PREFIX) PREFIX##_RGB8
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = 255
-#include "swrast/s_spantemp.h"
-
-/* 16-bit RGB */
-#define NAME(PREFIX) PREFIX##_RGB16
-#define RB_TYPE GLushort
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = 65535U
-#include "swrast/s_spantemp.h"
-
-/* 32-bit RGB */
-#define NAME(PREFIX) PREFIX##_RGB32
-#define RB_TYPE GLfloat
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLfloat *P = (GLfloat *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[0] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[2] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[0]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[2]; \
- DST[ACOMP] = 1.0F
-#include "swrast/s_spantemp.h"
-
-
-/* 8-bit BGR */
-#define NAME(PREFIX) PREFIX##_BGR8
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = 255
-#include "swrast/s_spantemp.h"
-
-/* 16-bit BGR */
-#define NAME(PREFIX) PREFIX##_BGR16
-#define RB_TYPE GLushort
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = 65535
-#include "swrast/s_spantemp.h"
-
-/* 32-bit BGR */
-#define NAME(PREFIX) PREFIX##_BGR32
-#define RB_TYPE GLfloat
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLfloat *P = (GLfloat *) osmesa->rowaddr[Y] + 3 * (X)
-#define INC_PIXEL_PTR(P) P += 3
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- DST[2] = VALUE[RCOMP]; \
- DST[1] = VALUE[GCOMP]; \
- DST[0] = VALUE[BCOMP]
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = SRC[2]; \
- DST[GCOMP] = SRC[1]; \
- DST[BCOMP] = SRC[0]; \
- DST[ACOMP] = 1.0F
-#include "swrast/s_spantemp.h"
-
-
-/* 16-bit 5/6/5 RGB */
-#define NAME(PREFIX) PREFIX##_RGB_565
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) osmesa->rowaddr[Y] + (X)
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- *DST = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) )
-#define FETCH_PIXEL(DST, SRC) \
- DST[RCOMP] = ( (((*SRC) >> 8) & 0xf8) | (((*SRC) >> 11) & 0x7) ); \
- DST[GCOMP] = ( (((*SRC) >> 3) & 0xfc) | (((*SRC) >> 5) & 0x3) ); \
- DST[BCOMP] = ( (((*SRC) << 3) & 0xf8) | (((*SRC) ) & 0x7) ); \
- DST[ACOMP] = CHAN_MAX
-#include "swrast/s_spantemp.h"
-
-
-/* color index */
-#define NAME(PREFIX) PREFIX##_CI
-#define CI_MODE
-#define RB_TYPE GLubyte
-#define SPAN_VARS \
- const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
-#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = (GLubyte *) osmesa->rowaddr[Y] + (X)
-#define INC_PIXEL_PTR(P) P += 1
-#define STORE_PIXEL(DST, X, Y, VALUE) \
- *DST = VALUE[0]
-#define FETCH_PIXEL(DST, SRC) \
- DST = SRC[0]
-#include "swrast/s_spantemp.h"
-
-
-
-
/**
* Macros for optimized line/triangle rendering.
* Only for 8-bit channel, RGBA, BGRA, ARGB formats.
PACK_RGBA(p, color[0], color[1], color[2], color[3]); \
} while (0)
-#ifdef WIN32
-#include "..\swrast\s_linetemp.h"
-#else
#include "swrast/s_linetemp.h"
-#endif
} \
} while (0)
-#ifdef WIN32
-#include "..\swrast\s_linetemp.h"
-#else
#include "swrast/s_linetemp.h"
-#endif
* function. Otherwise, return NULL.
*/
static swrast_line_func
-osmesa_choose_line_function( GLcontext *ctx )
+osmesa_choose_line_function( struct gl_context *ctx )
{
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- if (osmesa->rb->DataType != GL_UNSIGNED_BYTE)
- return NULL;
-
if (ctx->RenderMode != GL_RENDER) return NULL;
if (ctx->Line.SmoothFlag) return NULL;
if (ctx->Texture._EnabledUnits) return NULL;
span.z += span.zStep; \
} \
}
-#ifdef WIN32
-#include "..\swrast\s_tritemp.h"
-#else
#include "swrast/s_tritemp.h"
-#endif
span.z += span.zStep; \
} \
}
-#ifdef WIN32
-#include "..\swrast\s_tritemp.h"
-#else
+
#include "swrast/s_tritemp.h"
-#endif
* Return pointer to an optimized triangle function if possible.
*/
static swrast_tri_func
-osmesa_choose_triangle_function( GLcontext *ctx )
+osmesa_choose_triangle_function( struct gl_context *ctx )
{
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
const SWcontext *swrast = SWRAST_CONTEXT(ctx);
- if (osmesa->rb->DataType != GL_UNSIGNED_BYTE)
- return (swrast_tri_func) NULL;
-
if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL;
if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL;
if (ctx->Polygon.StippleFlag) return (swrast_tri_func) NULL;
* standard swrast functions.
*/
static void
-osmesa_choose_triangle( GLcontext *ctx )
+osmesa_choose_triangle( struct gl_context *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
}
static void
-osmesa_choose_line( GLcontext *ctx )
+osmesa_choose_line( struct gl_context *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
static void
compute_row_addresses( OSMesaContext osmesa )
{
- GLint bytesPerPixel, bytesPerRow, i;
- GLubyte *origin = (GLubyte *) osmesa->rb->Data;
- GLint bpc; /* bytes per channel */
+ GLint bytesPerRow, i;
+ GLubyte *origin = (GLubyte *) osmesa->srb->Buffer;
GLint rowlength; /* in pixels */
- GLint height = osmesa->rb->Height;
+ GLint height = osmesa->srb->Base.Height;
if (osmesa->userRowLength)
rowlength = osmesa->userRowLength;
else
- rowlength = osmesa->rb->Width;
-
- if (osmesa->rb->DataType == GL_UNSIGNED_BYTE)
- bpc = 1;
- else if (osmesa->rb->DataType == GL_UNSIGNED_SHORT)
- bpc = 2;
- else if (osmesa->rb->DataType == GL_FLOAT)
- bpc = 4;
- else {
- _mesa_problem(&osmesa->mesa,
- "Unexpected datatype in osmesa::compute_row_addresses");
- return;
- }
+ rowlength = osmesa->srb->Base.Width;
- if (osmesa->format == OSMESA_COLOR_INDEX) {
- /* CI mode */
- bytesPerPixel = 1 * sizeof(GLubyte);
- }
- else if ((osmesa->format == OSMESA_RGB) || (osmesa->format == OSMESA_BGR)) {
- /* RGB mode */
- bytesPerPixel = 3 * bpc;
- }
- else if (osmesa->format == OSMESA_RGB_565) {
- /* 5/6/5 RGB pixel in 16 bits */
- bytesPerPixel = 2;
- }
- else {
- /* RGBA mode */
- bytesPerPixel = 4 * bpc;
- }
-
- bytesPerRow = rowlength * bytesPerPixel;
+ bytesPerRow = rowlength * _mesa_get_format_bytes(osmesa->srb->Base.Format);
if (osmesa->yup) {
/* Y=0 is bottom line of window */
/**
- * Don't use _mesa_delete_renderbuffer since we can't free rb->Data.
+ * Don't use _mesa_delete_renderbuffer since we can't free rb->Buffer.
*/
static void
osmesa_delete_renderbuffer(struct gl_renderbuffer *rb)
{
- _mesa_free(rb);
+ free(rb);
}
* Just set up all the gl_renderbuffer methods.
*/
static GLboolean
-osmesa_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
+osmesa_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLenum internalFormat, GLuint width, GLuint height)
{
const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
- GLint bpc; /* bits per channel */
-
- if (rb->DataType == GL_UNSIGNED_BYTE)
- bpc = 8;
- else if (rb->DataType == GL_UNSIGNED_SHORT)
- bpc = 16;
- else
- bpc = 32;
-
- rb->RedBits =
- rb->GreenBits =
- rb->BlueBits =
- rb->AlphaBits = bpc;
/* Note: we can ignoring internalFormat for "window-system" renderbuffers */
(void) internalFormat;
+ /* Given the user-provided format and type, figure out which MESA_FORMAT_x
+ * to use.
+ * XXX There aren't Mesa formats for all the possible combinations here!
+ * XXX Specifically, there's only RGBA-order 16-bit/channel and float
+ * XXX formats.
+ * XXX The 8-bit/channel formats should all be OK.
+ */
if (osmesa->format == OSMESA_RGBA) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->GetRow = get_row_RGBA8;
- rb->GetValues = get_values_RGBA8;
- rb->PutRow = put_row_RGBA8;
- rb->PutRowRGB = put_row_rgb_RGBA8;
- rb->PutMonoRow = put_mono_row_RGBA8;
- rb->PutValues = put_values_RGBA8;
- rb->PutMonoValues = put_mono_values_RGBA8;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ if (_mesa_little_endian())
+ rb->Format = MESA_FORMAT_RGBA8888_REV;
+ else
+ rb->Format = MESA_FORMAT_RGBA8888;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->GetRow = get_row_RGBA16;
- rb->GetValues = get_values_RGBA16;
- rb->PutRow = put_row_RGBA16;
- rb->PutRowRGB = put_row_rgb_RGBA16;
- rb->PutMonoRow = put_mono_row_RGBA16;
- rb->PutValues = put_values_RGBA16;
- rb->PutMonoValues = put_mono_values_RGBA16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ rb->Format = MESA_FORMAT_RGBA_16;
}
else {
- rb->GetRow = get_row_RGBA32;
- rb->GetValues = get_values_RGBA32;
- rb->PutRow = put_row_RGBA32;
- rb->PutRowRGB = put_row_rgb_RGBA32;
- rb->PutMonoRow = put_mono_row_RGBA32;
- rb->PutValues = put_values_RGBA32;
- rb->PutMonoValues = put_mono_values_RGBA32;
+ rb->Format = MESA_FORMAT_RGBA_FLOAT32;
}
- rb->RedBits = rb->GreenBits = rb->BlueBits = rb->AlphaBits = bpc;
}
else if (osmesa->format == OSMESA_BGRA) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->GetRow = get_row_BGRA8;
- rb->GetValues = get_values_BGRA8;
- rb->PutRow = put_row_BGRA8;
- rb->PutRowRGB = put_row_rgb_BGRA8;
- rb->PutMonoRow = put_mono_row_BGRA8;
- rb->PutValues = put_values_BGRA8;
- rb->PutMonoValues = put_mono_values_BGRA8;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ if (_mesa_little_endian())
+ rb->Format = MESA_FORMAT_ARGB8888;
+ else
+ rb->Format = MESA_FORMAT_ARGB8888_REV;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->GetRow = get_row_BGRA16;
- rb->GetValues = get_values_BGRA16;
- rb->PutRow = put_row_BGRA16;
- rb->PutRowRGB = put_row_rgb_BGRA16;
- rb->PutMonoRow = put_mono_row_BGRA16;
- rb->PutValues = put_values_BGRA16;
- rb->PutMonoValues = put_mono_values_BGRA16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ _mesa_warning(ctx, "Unsupported OSMesa format BGRA/GLushort");
+ rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
}
else {
- rb->GetRow = get_row_BGRA32;
- rb->GetValues = get_values_BGRA32;
- rb->PutRow = put_row_BGRA32;
- rb->PutRowRGB = put_row_rgb_BGRA32;
- rb->PutMonoRow = put_mono_row_BGRA32;
- rb->PutValues = put_values_BGRA32;
- rb->PutMonoValues = put_mono_values_BGRA32;
+ _mesa_warning(ctx, "Unsupported OSMesa format BGRA/GLfloat");
+ rb->Format = MESA_FORMAT_RGBA_FLOAT32; /* not exactly right */
}
- rb->RedBits = rb->GreenBits = rb->BlueBits = rb->AlphaBits = bpc;
}
else if (osmesa->format == OSMESA_ARGB) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->GetRow = get_row_ARGB8;
- rb->GetValues = get_values_ARGB8;
- rb->PutRow = put_row_ARGB8;
- rb->PutRowRGB = put_row_rgb_ARGB8;
- rb->PutMonoRow = put_mono_row_ARGB8;
- rb->PutValues = put_values_ARGB8;
- rb->PutMonoValues = put_mono_values_ARGB8;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ if (_mesa_little_endian())
+ rb->Format = MESA_FORMAT_ARGB8888_REV;
+ else
+ rb->Format = MESA_FORMAT_ARGB8888;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->GetRow = get_row_ARGB16;
- rb->GetValues = get_values_ARGB16;
- rb->PutRow = put_row_ARGB16;
- rb->PutRowRGB = put_row_rgb_ARGB16;
- rb->PutMonoRow = put_mono_row_ARGB16;
- rb->PutValues = put_values_ARGB16;
- rb->PutMonoValues = put_mono_values_ARGB16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ _mesa_warning(ctx, "Unsupported OSMesa format ARGB/GLushort");
+ rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
}
else {
- rb->GetRow = get_row_ARGB32;
- rb->GetValues = get_values_ARGB32;
- rb->PutRow = put_row_ARGB32;
- rb->PutRowRGB = put_row_rgb_ARGB32;
- rb->PutMonoRow = put_mono_row_ARGB32;
- rb->PutValues = put_values_ARGB32;
- rb->PutMonoValues = put_mono_values_ARGB32;
+ _mesa_warning(ctx, "Unsupported OSMesa format ARGB/GLfloat");
+ rb->Format = MESA_FORMAT_RGBA_FLOAT32; /* not exactly right */
}
- rb->RedBits = rb->GreenBits = rb->BlueBits = rb->AlphaBits = bpc;
}
else if (osmesa->format == OSMESA_RGB) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->GetRow = get_row_RGB8;
- rb->GetValues = get_values_RGB8;
- rb->PutRow = put_row_RGB8;
- rb->PutRowRGB = put_row_rgb_RGB8;
- rb->PutMonoRow = put_mono_row_RGB8;
- rb->PutValues = put_values_RGB8;
- rb->PutMonoValues = put_mono_values_RGB8;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ rb->Format = MESA_FORMAT_RGB888;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->GetRow = get_row_RGB16;
- rb->GetValues = get_values_RGB16;
- rb->PutRow = put_row_RGB16;
- rb->PutRowRGB = put_row_rgb_RGB16;
- rb->PutMonoRow = put_mono_row_RGB16;
- rb->PutValues = put_values_RGB16;
- rb->PutMonoValues = put_mono_values_RGB16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ _mesa_warning(ctx, "Unsupported OSMesa format RGB/GLushort");
+ rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
}
else {
- rb->GetRow = get_row_RGB32;
- rb->GetValues = get_values_RGB32;
- rb->PutRow = put_row_RGB32;
- rb->PutRowRGB = put_row_rgb_RGB32;
- rb->PutMonoRow = put_mono_row_RGB32;
- rb->PutValues = put_values_RGB32;
- rb->PutMonoValues = put_mono_values_RGB32;
+ _mesa_warning(ctx, "Unsupported OSMesa format RGB/GLfloat");
+ rb->Format = MESA_FORMAT_RGBA_FLOAT32; /* not exactly right */
}
- rb->RedBits = rb->GreenBits = rb->BlueBits = bpc;
}
else if (osmesa->format == OSMESA_BGR) {
- if (rb->DataType == GL_UNSIGNED_BYTE) {
- rb->GetRow = get_row_BGR8;
- rb->GetValues = get_values_BGR8;
- rb->PutRow = put_row_BGR8;
- rb->PutRowRGB = put_row_rgb_BGR8;
- rb->PutMonoRow = put_mono_row_BGR8;
- rb->PutValues = put_values_BGR8;
- rb->PutMonoValues = put_mono_values_BGR8;
+ if (osmesa->DataType == GL_UNSIGNED_BYTE) {
+ rb->Format = MESA_FORMAT_BGR888;
}
- else if (rb->DataType == GL_UNSIGNED_SHORT) {
- rb->GetRow = get_row_BGR16;
- rb->GetValues = get_values_BGR16;
- rb->PutRow = put_row_BGR16;
- rb->PutRowRGB = put_row_rgb_BGR16;
- rb->PutMonoRow = put_mono_row_BGR16;
- rb->PutValues = put_values_BGR16;
- rb->PutMonoValues = put_mono_values_BGR16;
+ else if (osmesa->DataType == GL_UNSIGNED_SHORT) {
+ _mesa_warning(ctx, "Unsupported OSMesa format BGR/GLushort");
+ rb->Format = MESA_FORMAT_RGBA_16; /* not exactly right */
}
else {
- rb->GetRow = get_row_BGR32;
- rb->GetValues = get_values_BGR32;
- rb->PutRow = put_row_BGR32;
- rb->PutRowRGB = put_row_rgb_BGR32;
- rb->PutMonoRow = put_mono_row_BGR32;
- rb->PutValues = put_values_BGR32;
- rb->PutMonoValues = put_mono_values_BGR32;
+ _mesa_warning(ctx, "Unsupported OSMesa format BGR/GLfloat");
+ rb->Format = MESA_FORMAT_RGBA_FLOAT32; /* not exactly right */
}
- rb->RedBits = rb->GreenBits = rb->BlueBits = bpc;
}
else if (osmesa->format == OSMESA_RGB_565) {
- ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
- rb->GetRow = get_row_RGB_565;
- rb->GetValues = get_values_RGB_565;
- rb->PutRow = put_row_RGB_565;
- rb->PutRowRGB = put_row_rgb_RGB_565;
- rb->PutMonoRow = put_mono_row_RGB_565;
- rb->PutValues = put_values_RGB_565;
- rb->PutMonoValues = put_mono_values_RGB_565;
- rb->RedBits = 5;
- rb->GreenBits = 6;
- rb->BlueBits = 5;
- }
- else if (osmesa->format == OSMESA_COLOR_INDEX) {
- rb->GetRow = get_row_CI;
- rb->GetValues = get_values_CI;
- rb->PutRow = put_row_CI;
- rb->PutMonoRow = put_mono_row_CI;
- rb->PutValues = put_values_CI;
- rb->PutMonoValues = put_mono_values_CI;
- rb->IndexBits = 8;
+ ASSERT(osmesa->DataType == GL_UNSIGNED_BYTE);
+ rb->Format = MESA_FORMAT_RGB565;
}
else {
_mesa_problem(ctx, "bad pixel format in osmesa renderbuffer_storage");
/**
* Allocate a new renderbuffer to describe the user-provided color buffer.
*/
-static struct gl_renderbuffer *
-new_osmesa_renderbuffer(GLcontext *ctx, GLenum format, GLenum type)
+static struct swrast_renderbuffer *
+new_osmesa_renderbuffer(struct gl_context *ctx, GLenum format, GLenum type)
{
const GLuint name = 0;
- struct gl_renderbuffer *rb = _mesa_new_renderbuffer(ctx, name);
- if (rb) {
- rb->RefCount = 1;
- rb->Delete = osmesa_delete_renderbuffer;
- rb->AllocStorage = osmesa_renderbuffer_storage;
-
- if (format == OSMESA_COLOR_INDEX) {
- rb->InternalFormat = GL_COLOR_INDEX;
- rb->_ActualFormat = GL_COLOR_INDEX8_EXT;
- rb->_BaseFormat = GL_COLOR_INDEX;
- rb->DataType = GL_UNSIGNED_BYTE;
+ struct swrast_renderbuffer *srb = CALLOC_STRUCT(swrast_renderbuffer);
+
+ if (srb) {
+ _mesa_init_renderbuffer(&srb->Base, name);
+
+ srb->Base.ClassID = OSMESA_RENDERBUFFER_CLASS;
+ srb->Base.RefCount = 1;
+ srb->Base.Delete = osmesa_delete_renderbuffer;
+ srb->Base.AllocStorage = osmesa_renderbuffer_storage;
+
+ srb->Base.InternalFormat = GL_RGBA;
+ srb->Base._BaseFormat = GL_RGBA;
+
+ return srb;
+ }
+ return NULL;
+}
+
+
+
+static void
+osmesa_MapRenderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **mapOut, GLint *rowStrideOut)
+{
+ const OSMesaContext osmesa = OSMESA_CONTEXT(ctx);
+
+ if (rb->ClassID == OSMESA_RENDERBUFFER_CLASS) {
+ /* this is an OSMesa renderbuffer which wraps user memory */
+ struct swrast_renderbuffer *srb = swrast_renderbuffer(rb);
+ const GLuint bpp = _mesa_get_format_bytes(rb->Format);
+ GLint rowStride; /* in bytes */
+
+ if (osmesa->userRowLength)
+ rowStride = osmesa->userRowLength * bpp;
+ else
+ rowStride = rb->Width * bpp;
+
+ if (!osmesa->yup) {
+ /* Y=0 is top line of window */
+ y = rb->Height - y - 1;
+ *rowStrideOut = -rowStride;
}
else {
- rb->InternalFormat = GL_RGBA;
- rb->_ActualFormat = GL_RGBA;
- rb->_BaseFormat = GL_RGBA;
- rb->DataType = type;
+ *rowStrideOut = rowStride;
}
+
+ *mapOut = (GLubyte *) srb->Buffer + y * rowStride + x * bpp;
+ }
+ else {
+ _swrast_map_soft_renderbuffer(ctx, rb, x, y, w, h, mode,
+ mapOut, rowStrideOut);
+ }
+}
+
+
+static void
+osmesa_UnmapRenderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
+{
+ if (rb->ClassID == OSMESA_RENDERBUFFER_CLASS) {
+ /* no-op */
+ }
+ else {
+ _swrast_unmap_soft_renderbuffer(ctx, rb);
}
- return rb;
}
* Create an Off-Screen Mesa rendering context. The only attribute needed is
* an RGBA vs Color-Index mode flag.
*
- * Input: format - either GL_RGBA or GL_COLOR_INDEX
+ * Input: format - Must be GL_RGBA
* sharelist - specifies another OSMesaContext with which to share
* display lists. NULL indicates no sharing.
* Return: an OSMesaContext or 0 if error
GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContext( GLenum format, OSMesaContext sharelist )
{
- const GLint accumBits = (format == OSMESA_COLOR_INDEX) ? 0 : 16;
return OSMesaCreateContextExt(format, DEFAULT_SOFTWARE_DEPTH_BITS,
- 8, accumBits, sharelist);
+ 8, 0, sharelist);
}
OSMesaContext osmesa;
struct dd_function_table functions;
GLint rind, gind, bind, aind;
- GLint indexBits = 0, redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
- GLboolean rgbmode;
- GLenum type = CHAN_TYPE;
+ GLint redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
rind = gind = bind = aind = 0;
- if (format==OSMESA_COLOR_INDEX) {
- indexBits = 8;
- rgbmode = GL_FALSE;
- }
- else if (format==OSMESA_RGBA) {
- indexBits = 0;
+ if (format==OSMESA_RGBA) {
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
gind = 1;
bind = 2;
aind = 3;
- rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGRA) {
- indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
gind = 1;
rind = 2;
aind = 3;
- rgbmode = GL_TRUE;
}
else if (format==OSMESA_ARGB) {
- indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
rind = 1;
gind = 2;
bind = 3;
- rgbmode = GL_TRUE;
}
else if (format==OSMESA_RGB) {
- indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
- rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGR) {
- indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
rind = 2;
gind = 1;
bind = 0;
- rgbmode = GL_TRUE;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (format==OSMESA_RGB_565) {
- indexBits = 0;
redBits = 5;
greenBits = 6;
blueBits = 5;
rind = 0; /* not used */
gind = 0;
bind = 0;
- rgbmode = GL_TRUE;
}
#endif
else {
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
- osmesa->gl_visual = _mesa_create_visual( rgbmode,
- GL_FALSE, /* double buffer */
+ osmesa->gl_visual = _mesa_create_visual( GL_FALSE, /* double buffer */
GL_FALSE, /* stereo */
redBits,
greenBits,
blueBits,
alphaBits,
- indexBits,
depthBits,
stencilBits,
accumBits,
1 /* num samples */
);
if (!osmesa->gl_visual) {
- _mesa_free(osmesa);
+ free(osmesa);
return NULL;
}
functions.GetBufferSize = NULL;
if (!_mesa_initialize_context(&osmesa->mesa,
+ API_OPENGL,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
- : (GLcontext *) NULL,
+ : (struct gl_context *) NULL,
&functions, (void *) osmesa)) {
_mesa_destroy_visual( osmesa->gl_visual );
- _mesa_free(osmesa);
+ free(osmesa);
return NULL;
}
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
- _mesa_free(osmesa);
+ free(osmesa);
return NULL;
}
- /* create front color buffer in user-provided memory (no back buffer) */
- osmesa->rb = new_osmesa_renderbuffer(&osmesa->mesa, format, type);
- _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
- assert(osmesa->rb->RefCount == 2);
-
- _mesa_add_soft_renderbuffers(osmesa->gl_buffer,
- GL_FALSE, /* color */
- osmesa->gl_visual->haveDepthBuffer,
- osmesa->gl_visual->haveStencilBuffer,
- osmesa->gl_visual->haveAccumBuffer,
- GL_FALSE, /* alpha */
- GL_FALSE /* aux */ );
+ /* Create depth/stencil/accum buffers. We'll create the color
+ * buffer later in OSMesaMakeCurrent().
+ */
+ _swrast_add_soft_renderbuffers(osmesa->gl_buffer,
+ GL_FALSE, /* color */
+ osmesa->gl_visual->haveDepthBuffer,
+ osmesa->gl_visual->haveStencilBuffer,
+ osmesa->gl_visual->haveAccumBuffer,
+ GL_FALSE, /* alpha */
+ GL_FALSE /* aux */ );
osmesa->format = format;
osmesa->userRowLength = 0;
/* Initialize the software rasterizer and helper modules. */
{
- GLcontext *ctx = &osmesa->mesa;
+ struct gl_context *ctx = &osmesa->mesa;
SWcontext *swrast;
TNLcontext *tnl;
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
- _mesa_free(osmesa);
+ free(osmesa);
return NULL;
}
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
+ ctx->Driver.MapRenderbuffer = osmesa_MapRenderbuffer;
+ ctx->Driver.UnmapRenderbuffer = osmesa_UnmapRenderbuffer;
+
/* Extend the software rasterizer with our optimized line and triangle
* drawing functions.
*/
OSMesaDestroyContext( OSMesaContext osmesa )
{
if (osmesa) {
- if (osmesa->rb)
- _mesa_reference_renderbuffer(&osmesa->rb, NULL);
+ if (osmesa->srb)
+ _mesa_reference_renderbuffer((struct gl_renderbuffer **) &osmesa->srb, NULL);
_mesa_meta_free( &osmesa->mesa );
_mesa_reference_framebuffer( &osmesa->gl_buffer, NULL );
_mesa_free_context_data( &osmesa->mesa );
- _mesa_free( osmesa );
+ free( osmesa );
}
}
{
if (!osmesa || !buffer ||
width < 1 || height < 1 ||
- width > MAX_WIDTH || height > MAX_HEIGHT) {
+ width > SWRAST_MAX_WIDTH || height > SWRAST_MAX_HEIGHT) {
return GL_FALSE;
}
*/
_glapi_check_multithread();
+
+ /* Create a front/left color buffer which wraps the user-provided buffer.
+ * There is no back color buffer.
+ * If the user tries to use a 8, 16 or 32-bit/channel buffer that
+ * doesn't match what Mesa was compiled for (CHAN_BITS) the
+ * _mesa_add_renderbuffer() function will create a "wrapper" renderbuffer
+ * that converts rendering from CHAN_BITS to the user-requested channel
+ * size.
+ */
+ if (!osmesa->srb) {
+ osmesa->srb = new_osmesa_renderbuffer(&osmesa->mesa, osmesa->format, type);
+ _mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
+ &osmesa->srb->Base);
+ assert(osmesa->srb->Base.RefCount == 2);
+ }
+
+ osmesa->DataType = type;
+
/* Set renderbuffer fields. Set width/height = 0 to force
* osmesa_renderbuffer_storage() being called by _mesa_resize_framebuffer()
*/
- osmesa->rb->Data = buffer;
- osmesa->rb->DataType = type;
- osmesa->rb->Width = osmesa->rb->Height = 0;
+ osmesa->srb->Buffer = buffer;
+ osmesa->srb->Base.Width = osmesa->srb->Base.Height = 0;
/* Set the framebuffer's size. This causes the
* osmesa_renderbuffer_storage() function to get called.
* renderbuffer adaptor/wrapper if needed (for bpp conversion).
*/
_mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
- _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
+ &osmesa->srb->Base);
/* this updates the visual's red/green/blue/alphaBits fields */
- _mesa_update_framebuffer_visual(osmesa->gl_buffer);
+ _mesa_update_framebuffer_visual(&osmesa->mesa, osmesa->gl_buffer);
/* update the framebuffer size */
_mesa_resize_framebuffer(&osmesa->mesa, osmesa->gl_buffer, width, height);
GLAPI OSMesaContext GLAPIENTRY
OSMesaGetCurrentContext( void )
{
- GLcontext *ctx = _mesa_get_current_context();
+ struct gl_context *ctx = _mesa_get_current_context();
if (ctx)
return (OSMesaContext) ctx;
else
return;
case OSMESA_TYPE:
/* current color buffer's data type */
- if (osmesa->rb) {
- *value = osmesa->rb->DataType;
- }
- else {
- *value = 0;
- }
+ *value = osmesa->DataType;
return;
case OSMESA_ROW_LENGTH:
*value = osmesa->userRowLength;
*value = osmesa->yup;
return;
case OSMESA_MAX_WIDTH:
- *value = MAX_WIDTH;
+ *value = SWRAST_MAX_WIDTH;
return;
case OSMESA_MAX_HEIGHT:
- *value = MAX_HEIGHT;
+ *value = SWRAST_MAX_HEIGHT;
return;
default:
_mesa_error(&osmesa->mesa, GL_INVALID_ENUM, "OSMesaGetIntergerv(pname)");
OSMesaGetDepthBuffer( OSMesaContext c, GLint *width, GLint *height,
GLint *bytesPerValue, void **buffer )
{
- struct gl_renderbuffer *rb = NULL;
+ struct swrast_renderbuffer *srb = NULL;
if (c->gl_buffer)
- rb = c->gl_buffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+ srb = swrast_renderbuffer(c->gl_buffer->
+ Attachment[BUFFER_DEPTH].Renderbuffer);
- if (!rb || !rb->Data) {
+ if (!srb || !srb->Buffer) {
*width = 0;
*height = 0;
*bytesPerValue = 0;
return GL_FALSE;
}
else {
- *width = rb->Width;
- *height = rb->Height;
+ *width = srb->Base.Width;
+ *height = srb->Base.Height;
if (c->gl_visual->depthBits <= 16)
*bytesPerValue = sizeof(GLushort);
else
*bytesPerValue = sizeof(GLuint);
- *buffer = rb->Data;
+ *buffer = (void *) srb->Buffer;
return GL_TRUE;
}
}
OSMesaGetColorBuffer( OSMesaContext osmesa, GLint *width,
GLint *height, GLint *format, void **buffer )
{
- if (osmesa->rb && osmesa->rb->Data) {
- *width = osmesa->rb->Width;
- *height = osmesa->rb->Height;
+ if (osmesa->srb && osmesa->srb->Buffer) {
+ *width = osmesa->srb->Base.Width;
+ *height = osmesa->srb->Base.Height;
*format = osmesa->format;
- *buffer = osmesa->rb->Data;
+ *buffer = (void *) osmesa->srb->Buffer;
return GL_TRUE;
}
else {
{
int i;
for (i = 0; functions[i].Name; i++) {
- if (_mesa_strcmp(functions[i].Name, funcName) == 0)
+ if (strcmp(functions[i].Name, funcName) == 0)
return functions[i].Function;
}
return _glapi_get_proc_address(funcName);
}
+/**
+ * When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
+ * libglapi.a. We need to define them here.
+ */
+#ifdef GLX_INDIRECT_RENDERING
+
+#define GL_GLEXT_PROTOTYPES
+#include "GL/gl.h"
+#include "glapi/glapi.h"
+#include "glapi/glapitable.h"
+
+#if defined(USE_MGL_NAMESPACE)
+#define NAME(func) mgl##func
+#else
+#define NAME(func) gl##func
+#endif
+
+#define DISPATCH(FUNC, ARGS, MESSAGE) \
+ GET_DISPATCH()->FUNC ARGS
+
+#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \
+ return GET_DISPATCH()->FUNC ARGS
+
+/* skip normal ones */
+#define _GLAPI_SKIP_NORMAL_ENTRY_POINTS
+#include "glapi/glapitemp.h"
+
+#endif /* GLX_INDIRECT_RENDERING */
projects / mesa.git / blobdiff