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-rw-r--r--src/mesa/drivers/x11/xmesaP.h117
1 files changed, 67 insertions, 50 deletions
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index 43712ff21f..8e6c9dd48a 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 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"),
@@ -52,8 +52,11 @@ typedef struct {
} bgr_t;
+struct xmesa_renderbuffer;
+
+
/* Function pointer for clearing color buffers */
-typedef void (*clear_func)( GLcontext *ctx,
+typedef void (*ClearFunc)( GLcontext *ctx, struct xmesa_renderbuffer *xrb,
GLboolean all, GLint x, GLint y,
GLint width, GLint height );
@@ -131,8 +134,6 @@ struct xmesa_visual {
struct xmesa_context {
GLcontext mesa; /* the core library context (containment) */
XMesaVisual xm_visual; /* Describes the buffers */
- XMesaBuffer xm_draw_buffer; /* current draw framebuffer */
- XMesaBuffer xm_read_buffer; /* current read framebuffer */
XMesaBuffer xm_buffer; /* current span/point/line/triangle buffer */
XMesaDisplay *display; /* == xm_visual->display */
@@ -155,6 +156,30 @@ typedef enum {
} BufferType;
+struct xmesa_renderbuffer
+{
+ struct gl_renderbuffer Base; /* Base class */
+
+ XMesaDrawable pixmap; /* Either an X Window ID (front color buf) */
+ /* or X Pixmap ID (back color buf) */
+
+ XMesaImage *ximage; /* The back buffer, if not using a Pixmap */
+
+ GLubyte *origin1; /* used for PIXEL_ADDR1 macro */
+ GLint width1;
+ GLushort *origin2; /* used for PIXEL_ADDR2 macro */
+ GLint width2;
+ GLubyte *origin3; /* used for PIXEL_ADDR3 macro */
+ GLint width3;
+ GLuint *origin4; /* used for PIXEL_ADDR4 macro */
+ GLint width4;
+
+ GLint bottom; /* used for FLIP macro */
+
+ ClearFunc clearFunc;
+};
+
+
/*
* "Derived" from GLframebuffer. Basically corresponds to a GLXDrawable.
*/
@@ -166,12 +191,9 @@ struct xmesa_buffer {
XMesaDisplay *display;
BufferType type; /* window, pixmap, pbuffer or glxwindow */
- XMesaDrawable frontbuffer; /* either a window or pixmap */
- XMesaPixmap backpixmap; /* back buffer Pixmap */
- XMesaImage *backimage; /* back buffer simulated XImage */
- XMesaDrawable buffer; /* the current buffer, either equal to */
- /* frontbuffer, backpixmap or XIMAGE (None) */
+ struct xmesa_renderbuffer *frontxrb; /* front color renderbuffer */
+ struct xmesa_renderbuffer *backxrb; /* back color renderbuffer */
XMesaColormap cmap; /* the X colormap */
@@ -192,17 +214,6 @@ struct xmesa_buffer {
#endif
XMesaImage *rowimage; /* Used for optimized span writing */
-
- GLint bottom; /* used for FLIP macro below */
- GLubyte *ximage_origin1; /* used for PIXELADDR1 macro */
- GLint ximage_width1;
- GLushort *ximage_origin2; /* used for PIXELADDR2 macro */
- GLint ximage_width2;
- GLubyte *ximage_origin3; /* used for PIXELADDR3 macro */
- GLint ximage_width3;
- GLuint *ximage_origin4; /* used for PIXELADDR4 macro */
- GLint ximage_width4;
-
XMesaPixmap stipple_pixmap; /* For polygon stippling */
XMesaGC stipple_gc; /* For polygon stippling */
@@ -237,23 +248,15 @@ struct xmesa_buffer {
fxMesaContext FXctx;
#endif
- /* functions for clearing the front and back color buffers */
- clear_func front_clear_func;
- clear_func back_clear_func;
-
struct xmesa_buffer *Next; /* Linked list pointer: */
};
-
-/* Values for xmesa->dest: */
+/* Values for xmesa->db_state: */
#define FRONT_PIXMAP 1
#define BACK_PIXMAP 2
#define BACK_XIMAGE 4
-/* Special value for X Drawable variables to indicate use of XImage instead */
-#define XIMAGE None
-
/*
* If pixelformat==PF_TRUECOLOR:
@@ -341,7 +344,7 @@ extern const int xmesa_kernel8[DITH_DY * DITH_DX];
/* Dither for random X,Y */
#define DITHER_SETUP \
int __d; \
- unsigned long *ctable = xmesa->xm_buffer->color_table;
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table;
#define DITHER( X, Y, R, G, B ) \
(__d = xmesa_kernel8[(((Y)&3)<<2) | ((X)&3)], \
@@ -352,7 +355,7 @@ extern const int xmesa_kernel8[DITH_DY * DITH_DX];
/* Dither for random X, fixed Y */
#define XDITHER_SETUP(Y) \
int __d; \
- unsigned long *ctable = xmesa->xm_buffer->color_table; \
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \
const int *kernel = &xmesa_kernel8[ ((Y)&3) << 2 ];
#define XDITHER( X, R, G, B ) \
@@ -370,7 +373,7 @@ extern const int xmesa_kernel8[DITH_DY * DITH_DX];
#define FLAT_DITHER_SETUP( R, G, B ) \
GLushort ditherValues[16]; \
{ \
- unsigned long *ctable = xmesa->xm_buffer->color_table; \
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table; \
int msdr = (DITH_N*((DITH_R)-1)+1) * (R); \
int msdg = (DITH_N*((DITH_G)-1)+1) * (G); \
int msdb = (DITH_N*((DITH_B)-1)+1) * (B); \
@@ -395,7 +398,7 @@ extern const int xmesa_kernel8[DITH_DY * DITH_DX];
#define _dither_lookup(C, c) (((unsigned)((DITH_N * (C - 1) + 1) * c)) >> 12)
#define LOOKUP_SETUP \
- unsigned long *ctable = xmesa->xm_buffer->color_table
+ unsigned long *ctable = XMESA_BUFFER(ctx->DrawBuffer)->color_table
#define LOOKUP( R, G, B ) \
ctable[DITH_MIX(_dither_lookup(DITH_R, (R)), \
@@ -438,31 +441,31 @@ extern const int xmesa_kernel1[16];
/*
* If pixelformat==PF_GRAYSCALE:
*/
-#define GRAY_RGB( R, G, B ) xmesa->xm_buffer->color_table[((R) + (G) + (B))/3]
+#define GRAY_RGB( R, G, B ) XMESA_BUFFER(ctx->DrawBuffer)->color_table[((R) + (G) + (B))/3]
/*
* Converts a GL window Y coord to an X window Y coord:
*/
-#define FLIP(BUFFER, Y) ((BUFFER)->bottom-(Y))
+#define YFLIP(XRB, Y) ((XRB)->bottom - (Y))
/*
- * Return the address of a 1, 2 or 4-byte pixel in the back XImage:
+ * Return the address of a 1, 2 or 4-byte pixel in the buffer's XImage:
* X==0 is left, Y==0 is bottom.
*/
-#define PIXELADDR1( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin1 - (Y) * (BUFFER)->ximage_width1 + (X) )
+#define PIXEL_ADDR1(XRB, X, Y) \
+ ( (XRB)->origin1 - (Y) * (XRB)->width1 + (X) )
-#define PIXELADDR2( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin2 - (Y) * (BUFFER)->ximage_width2 + (X) )
+#define PIXEL_ADDR2(XRB, X, Y) \
+ ( (XRB)->origin2 - (Y) * (XRB)->width2 + (X) )
-#define PIXELADDR3( BUFFER, X, Y ) \
- ( (bgr_t *) ( (BUFFER)->ximage_origin3 - (Y) * (BUFFER)->ximage_width3 + 3 * (X) ))
+#define PIXEL_ADDR3(XRB, X, Y) \
+ ( (bgr_t *) ( (XRB)->origin3 - (Y) * (XRB)->width3 + 3 * (X) ))
-#define PIXELADDR4( BUFFER, X, Y ) \
- ( (BUFFER)->ximage_origin4 - (Y) * (BUFFER)->ximage_width4 + (X) )
+#define PIXEL_ADDR4(XRB, X, Y) \
+ ( (XRB)->origin4 - (Y) * (XRB)->width4 + (X) )
@@ -471,7 +474,13 @@ extern const int xmesa_kernel1[16];
* Return pointer to XMesaContext corresponding to a Mesa GLcontext.
* Since we're using structure containment, it's just a cast!.
*/
-#define XMESA_CONTEXT(MESACTX) (XMesaContext) (MESACTX)
+#define XMESA_CONTEXT(MESACTX) ((XMesaContext) (MESACTX))
+
+/*
+ * Return pointer to XMesaBuffer corresponding to a Mesa GLframebuffer.
+ * Since we're using structure containment, it's just a cast!.
+ */
+#define XMESA_BUFFER(MESABUFF) ((XMesaBuffer) (MESABUFF))
@@ -479,21 +488,29 @@ extern const int xmesa_kernel1[16];
* External functions:
*/
+extern struct xmesa_renderbuffer *
+xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, GLboolean rgbMode);
+
extern unsigned long
-xmesa_color_to_pixel( XMesaContext xmesa,
+xmesa_color_to_pixel( GLcontext *ctx,
GLubyte r, GLubyte g, GLubyte b, GLubyte a,
GLuint pixelFormat );
-extern void xmesa_alloc_back_buffer( XMesaBuffer b );
+extern void
+xmesa_alloc_back_buffer(XMesaBuffer b, GLuint width, GLuint height);
-extern void xmesa_resize_buffers( GLframebuffer *buffer );
+extern void xmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer,
+ GLuint width, GLuint height);
extern void xmesa_init_driver_functions( XMesaVisual xmvisual,
struct dd_function_table *driver );
extern void xmesa_update_state( GLcontext *ctx, GLuint new_state );
-extern void xmesa_update_span_funcs( GLcontext *ctx );
+extern void
+xmesa_set_renderbuffer_funcs(struct xmesa_renderbuffer *xrb,
+ enum pixel_format pixelformat, GLint depth);
+
extern void xmesa_set_buffer( GLcontext *ctx, GLframebuffer *buffer,
GLuint bufferBit );
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-16 15:01:47 +0000