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path: root/src/mesa/drivers/fbdev/glfbdev.c
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Diffstat (limited to 'src/mesa/drivers/fbdev/glfbdev.c')
-rw-r--r--src/mesa/drivers/fbdev/glfbdev.c413
1 files changed, 238 insertions, 175 deletions
diff --git a/src/mesa/drivers/fbdev/glfbdev.c b/src/mesa/drivers/fbdev/glfbdev.c
index 4068216d44..c8d9375b62 100644
--- a/src/mesa/drivers/fbdev/glfbdev.c
+++ b/src/mesa/drivers/fbdev/glfbdev.c
@@ -46,7 +46,10 @@
#include "buffers.h"
#include "context.h"
#include "extensions.h"
+#include "fbobject.h"
+#include "framebuffer.h"
#include "imports.h"
+#include "renderbuffer.h"
#include "texformat.h"
#include "teximage.h"
#include "texstore.h"
@@ -84,15 +87,8 @@ struct GLFBDevBufferRec {
GLFBDevVisualPtr visual;
struct fb_fix_screeninfo fix;
struct fb_var_screeninfo var;
- void *frontStart;
- void *backStart;
- size_t size;
+ size_t size; /* color buffer size in bytes */
GLuint bytesPerPixel;
- GLuint rowStride; /* in bytes */
- GLubyte *frontBottom; /* pointer to last row */
- GLubyte *backBottom; /* pointer to last row */
- GLubyte *curBottom; /* = frontBottom or backBottom */
- GLboolean mallocBackBuffer;
};
/*
@@ -106,6 +102,16 @@ struct GLFBDevContextRec {
GLFBDevBufferPtr curBuffer;
};
+/*
+ * Derived from Mesa's gl_renderbuffer class.
+ */
+struct GLFBDevRenderbufferRec {
+ struct gl_renderbuffer Base;
+ GLubyte *bottom; /* pointer to last row */
+ GLuint rowStride; /* in bytes */
+ GLboolean mallocedBuffer;
+};
+
#define GLFBDEV_CONTEXT(CTX) ((GLFBDevContextPtr) (CTX))
@@ -144,7 +150,7 @@ update_state( GLcontext *ctx, GLuint new_state )
static void
get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
{
- const GLFBDevBufferPtr fbdevbuffer = (GLFBDevBufferPtr) buffer;
+ const GLFBDevBufferPtr fbdevbuffer = GLFBDEV_BUFFER(buffer);
*width = fbdevbuffer->var.xres_virtual;
*height = fbdevbuffer->var.yres_virtual;
}
@@ -162,19 +168,7 @@ viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
static void
set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit )
{
- GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx);
- GLFBDevBufferPtr fbdevbuf = GLFBDEV_BUFFER(buffer);
- fbdevctx->curBuffer = fbdevbuf;
- switch (bufferBit) {
- case DD_FRONT_LEFT_BIT:
- fbdevbuf->curBottom = fbdevbuf->frontBottom;
- break;
- case DD_BACK_LEFT_BIT:
- fbdevbuf->curBottom = fbdevbuf->backBottom;
- break;
- default:
- _mesa_problem(ctx, "bad bufferBit in set_buffer()");
- }
+ /* this is a no-op when using the new gl_renderbuffer span functions. */
}
@@ -184,96 +178,102 @@ set_buffer( GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit )
/* 24-bit BGR */
#define NAME(PREFIX) PREFIX##_B8G8R8
+#define FORMAT GL_RGBA8
#define SPAN_VARS \
- const GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx); \
- const GLFBDevBufferPtr fbdevbuf = fbdevctx->curBuffer;
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = fbdevbuf->curBottom - (Y) * fbdevbuf->rowStride + (X) * 3
+ GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 3
#define INC_PIXEL_PTR(P) P += 3
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = B; P[1] = G; P[2] = R
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = B; P[1] = G; P[2] = R
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[2]; G = P[1]; B = P[0]; A = CHAN_MAX
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = VALUE[BCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[2] = VALUE[RCOMP]
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = SRC[2]; \
+ DST[GCOMP] = SRC[1]; \
+ DST[BCOMP] = SRC[0]; \
+ DST[ACOMP] = CHAN_MAX
-#include "swrast/s_spantemp.h"
+#include "swrast/s_spantemp2.h"
/* 32-bit BGRA */
#define NAME(PREFIX) PREFIX##_B8G8R8A8
+#define FORMAT GL_RGBA8
#define SPAN_VARS \
- const GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx); \
- const GLFBDevBufferPtr fbdevbuf = fbdevctx->curBuffer;
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = fbdevbuf->curBottom - (Y) * fbdevbuf->rowStride + (X) * 4
+ GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X) * 4
#define INC_PIXEL_PTR(P) P += 4
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- P[0] = B; P[1] = G; P[2] = R; P[3] = 255
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- P[0] = B; P[1] = G; P[2] = R; P[3] = A
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = P[2]; G = P[1]; B = P[0]; A = P[3]
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = VALUE[BCOMP]; \
+ DST[1] = VALUE[GCOMP]; \
+ DST[2] = VALUE[RCOMP]; \
+ DST[3] = VALUE[ACOMP]
+#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"
+#include "swrast/s_spantemp2.h"
/* 16-bit BGR (XXX implement dithering someday) */
#define NAME(PREFIX) PREFIX##_B5G6R5
+#define FORMAT GL_RGBA8
#define SPAN_VARS \
- const GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx); \
- const GLFBDevBufferPtr fbdevbuf = fbdevctx->curBuffer;
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) (fbdevbuf->curBottom - (Y) * fbdevbuf->rowStride + (X) * 2)
+ GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2)
#define INC_PIXEL_PTR(P) P += 1
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- *P = ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- *P = ( (((R) & 0xf8) << 8) | (((G) & 0xfc) << 3) | ((B) >> 3) )
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = ( (((*P) >> 8) & 0xf8) | (((*P) >> 11) & 0x7) ); \
- G = ( (((*P) >> 3) & 0xfc) | (((*P) >> 5) & 0x3) ); \
- B = ( (((*P) << 3) & 0xf8) | (((*P) ) & 0x7) ); \
- A = CHAN_MAX
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 8) | (((VALUE[GCOMP]) & 0xfc) << 3) | ((VALUE[BCOMP]) >> 3) )
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = ( (((SRC[0]) >> 8) & 0xf8) | (((SRC[0]) >> 11) & 0x7) ); \
+ DST[GCOMP] = ( (((SRC[0]) >> 3) & 0xfc) | (((SRC[0]) >> 5) & 0x3) ); \
+ DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \
+ DST[ACOMP] = CHAN_MAX
-#include "swrast/s_spantemp.h"
+#include "swrast/s_spantemp2.h"
/* 15-bit BGR (XXX implement dithering someday) */
#define NAME(PREFIX) PREFIX##_B5G5R5
+#define FORMAT GL_RGBA8
#define SPAN_VARS \
- const GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx); \
- const GLFBDevBufferPtr fbdevbuf = fbdevctx->curBuffer;
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLushort *P = (GLushort *) (fbdevbuf->curBottom - (Y) * fbdevbuf->rowStride + (X) * 2)
+ GLushort *P = (GLushort *) (frb->bottom - (Y) * frb->rowStride + (X) * 2)
#define INC_PIXEL_PTR(P) P += 1
-#define STORE_RGB_PIXEL(P, X, Y, R, G, B) \
- *P = ( (((R) & 0xf8) << 7) | (((G) & 0xf8) << 2) | ((B) >> 3) )
-#define STORE_RGBA_PIXEL(P, X, Y, R, G, B, A) \
- *P = ( (((R) & 0xf8) << 7) | (((G) & 0xf8) << 2) | ((B) >> 3) )
-#define FETCH_RGBA_PIXEL(R, G, B, A, P) \
- R = ( (((*P) >> 7) & 0xf8) | (((*P) >> 10) & 0x7) ); \
- G = ( (((*P) >> 2) & 0xf8) | (((*P) >> 5) & 0x7) ); \
- B = ( (((*P) << 3) & 0xf8) | (((*P) ) & 0x7) ); \
- A = CHAN_MAX
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ DST[0] = ( (((VALUE[RCOMP]) & 0xf8) << 7) | (((VALUE[GCOMP]) & 0xf8) << 2) | ((VALUE[BCOMP]) >> 3) )
+#define FETCH_PIXEL(DST, SRC) \
+ DST[RCOMP] = ( (((SRC[0]) >> 7) & 0xf8) | (((SRC[0]) >> 10) & 0x7) ); \
+ DST[GCOMP] = ( (((SRC[0]) >> 2) & 0xf8) | (((SRC[0]) >> 5) & 0x7) ); \
+ DST[BCOMP] = ( (((SRC[0]) << 3) & 0xf8) | (((SRC[0]) ) & 0x7) ); \
+ DST[ACOMP] = CHAN_MAX
-#include "swrast/s_spantemp.h"
+#include "swrast/s_spantemp2.h"
/* 8-bit color index */
#define NAME(PREFIX) PREFIX##_CI8
+#define FORMAT GL_COLOR_INDEX8_EXT
#define SPAN_VARS \
- const GLFBDevContextPtr fbdevctx = GLFBDEV_CONTEXT(ctx); \
- const GLFBDevBufferPtr fbdevbuf = fbdevctx->curBuffer;
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
#define INIT_PIXEL_PTR(P, X, Y) \
- GLubyte *P = fbdevbuf->curBottom - (Y) * fbdevbuf->rowStride + (X)
+ GLubyte *P = frb->bottom - (Y) * frb->rowStride + (X)
#define INC_PIXEL_PTR(P) P += 1
-#define STORE_CI_PIXEL(P, CI) \
- P[0] = CI
-#define FETCH_CI_PIXEL(CI, P) \
- CI = P[0]
+#define STORE_PIXEL(DST, X, Y, VALUE) \
+ *DST = VALUE[0]
+#define FETCH_PIXEL(DST, SRC) \
+ DST = SRC[0]
+
+#include "swrast/s_spantemp2.h"
+
+
-#include "swrast/s_spantemp.h"
/**********************************************************************/
/* Public API functions */
@@ -294,30 +294,30 @@ glFBDevGetString( int str )
}
-const void *
+const GLFBDevProc
glFBDevGetProcAddress( const char *procName )
{
struct name_address {
const char *name;
- const void *func;
+ const GLFBDevProc func;
};
static const struct name_address functions[] = {
- { "glFBDevGetString", (void *) glFBDevGetString },
- { "glFBDevGetProcAddress", (void *) glFBDevGetProcAddress },
- { "glFBDevCreateVisual", (void *) glFBDevCreateVisual },
- { "glFBDevDestroyVisual", (void *) glFBDevDestroyVisual },
- { "glFBDevGetVisualAttrib", (void *) glFBDevGetVisualAttrib },
- { "glFBDevCreateBuffer", (void *) glFBDevCreateBuffer },
- { "glFBDevDestroyBuffer", (void *) glFBDevDestroyBuffer },
- { "glFBDevGetBufferAttrib", (void *) glFBDevGetBufferAttrib },
- { "glFBDevGetCurrentDrawBuffer", (void *) glFBDevGetCurrentDrawBuffer },
- { "glFBDevGetCurrentReadBuffer", (void *) glFBDevGetCurrentReadBuffer },
- { "glFBDevSwapBuffers", (void *) glFBDevSwapBuffers },
- { "glFBDevCreateContext", (void *) glFBDevCreateContext },
- { "glFBDevDestroyContext", (void *) glFBDevDestroyContext },
- { "glFBDevGetContextAttrib", (void *) glFBDevGetContextAttrib },
- { "glFBDevGetCurrentContext", (void *) glFBDevGetCurrentContext },
- { "glFBDevMakeCurrent", (void *) glFBDevMakeCurrent },
+ { "glFBDevGetString", (GLFBDevProc) glFBDevGetString },
+ { "glFBDevGetProcAddress", (GLFBDevProc) glFBDevGetProcAddress },
+ { "glFBDevCreateVisual", (GLFBDevProc) glFBDevCreateVisual },
+ { "glFBDevDestroyVisual", (GLFBDevProc) glFBDevDestroyVisual },
+ { "glFBDevGetVisualAttrib", (GLFBDevProc) glFBDevGetVisualAttrib },
+ { "glFBDevCreateBuffer", (GLFBDevProc) glFBDevCreateBuffer },
+ { "glFBDevDestroyBuffer", (GLFBDevProc) glFBDevDestroyBuffer },
+ { "glFBDevGetBufferAttrib", (GLFBDevProc) glFBDevGetBufferAttrib },
+ { "glFBDevGetCurrentDrawBuffer", (GLFBDevProc) glFBDevGetCurrentDrawBuffer },
+ { "glFBDevGetCurrentReadBuffer", (GLFBDevProc) glFBDevGetCurrentReadBuffer },
+ { "glFBDevSwapBuffers", (GLFBDevProc) glFBDevSwapBuffers },
+ { "glFBDevCreateContext", (GLFBDevProc) glFBDevCreateContext },
+ { "glFBDevDestroyContext", (GLFBDevProc) glFBDevDestroyContext },
+ { "glFBDevGetContextAttrib", (GLFBDevProc) glFBDevGetContextAttrib },
+ { "glFBDevGetCurrentContext", (GLFBDevProc) glFBDevGetCurrentContext },
+ { "glFBDevMakeCurrent", (GLFBDevProc) glFBDevMakeCurrent },
{ NULL, NULL }
};
const struct name_address *entry;
@@ -326,7 +326,7 @@ glFBDevGetProcAddress( const char *procName )
return entry->func;
}
}
- return (const void *)_glapi_get_proc_address(procName);
+ return _glapi_get_proc_address(procName);
}
@@ -477,12 +477,101 @@ glFBDevDestroyVisual( GLFBDevVisualPtr visual )
int
glFBDevGetVisualAttrib( const GLFBDevVisualPtr visual, int attrib)
{
+ /* XXX unfinished */
(void) visual;
(void) attrib;
return -1;
}
+static void
+delete_renderbuffer(struct gl_renderbuffer *rb)
+{
+ struct GLFBDevRenderbufferRec *frb = (struct GLFBDevRenderbufferRec *) rb;
+ if (frb->mallocedBuffer) {
+ _mesa_free(frb->Base.Data);
+ }
+ _mesa_free(frb);
+}
+
+
+static GLboolean
+renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ /* no-op: the renderbuffer storage is allocated just once when it's
+ * created. Never resized or reallocated.
+ */
+ return GL_TRUE;
+}
+
+
+static struct GLFBDevRenderbufferRec *
+new_glfbdev_renderbuffer(void *bufferStart, int pixelFormat)
+{
+ struct GLFBDevRenderbufferRec *rb = CALLOC_STRUCT(GLFBDevRenderbufferRec);
+ if (rb) {
+ GLuint name = 0;
+ _mesa_init_renderbuffer(&rb->Base, name);
+
+ rb->Base.Delete = delete_renderbuffer;
+ rb->Base.AllocStorage = renderbuffer_storage;
+
+ if (pixelFormat == PF_B8G8R8) {
+ rb->Base.GetRow = get_row_B8G8R8;
+ rb->Base.GetValues = get_values_B8G8R8;
+ rb->Base.PutRow = put_row_B8G8R8;
+ rb->Base.PutMonoRow = put_mono_row_B8G8R8;
+ rb->Base.PutValues = put_values_B8G8R8;
+ rb->Base.PutMonoValues = put_mono_values_B8G8R8;
+ }
+ else if (pixelFormat == PF_B8G8R8A8) {
+ rb->Base.GetRow = get_row_B8G8R8A8;
+ rb->Base.GetValues = get_values_B8G8R8A8;
+ rb->Base.PutRow = put_row_B8G8R8A8;
+ rb->Base.PutMonoRow = put_mono_row_B8G8R8A8;
+ rb->Base.PutValues = put_values_B8G8R8A8;
+ rb->Base.PutMonoValues = put_mono_values_B8G8R8A8;
+ }
+ else if (pixelFormat == PF_B5G6R5) {
+ rb->Base.GetRow = get_row_B5G6R5;
+ rb->Base.GetValues = get_values_B5G6R5;
+ rb->Base.PutRow = put_row_B5G6R5;
+ rb->Base.PutMonoRow = put_mono_row_B5G6R5;
+ rb->Base.PutValues = put_values_B5G6R5;
+ rb->Base.PutMonoValues = put_mono_values_B5G6R5;
+ }
+ else if (pixelFormat == PF_B5G5R5) {
+ rb->Base.GetRow = get_row_B5G5R5;
+ rb->Base.GetValues = get_values_B5G5R5;
+ rb->Base.PutRow = put_row_B5G5R5;
+ rb->Base.PutMonoRow = put_mono_row_B5G5R5;
+ rb->Base.PutValues = put_values_B5G5R5;
+ rb->Base.PutMonoValues = put_mono_values_B5G5R5;
+ }
+ else if (pixelFormat == PF_CI8) {
+ rb->Base.GetRow = get_row_CI8;
+ rb->Base.GetValues = get_values_CI8;
+ rb->Base.PutRow = put_row_CI8;
+ rb->Base.PutMonoRow = put_mono_row_CI8;
+ rb->Base.PutValues = put_values_CI8;
+ rb->Base.PutMonoValues = put_mono_values_CI8;
+ }
+
+ if (pixelFormat == PF_CI8) {
+ rb->Base.InternalFormat = GL_COLOR_INDEX8_EXT;
+ rb->Base._BaseFormat = GL_COLOR_INDEX;
+ }
+ else {
+ rb->Base.InternalFormat = GL_RGBA;
+ rb->Base._BaseFormat = GL_RGBA;
+ }
+ rb->Base.DataType = GL_UNSIGNED_BYTE;
+ rb->Base.Data = bufferStart;
+ }
+ return rb;
+}
+
GLFBDevBufferPtr
glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
@@ -490,6 +579,7 @@ glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
const GLFBDevVisualPtr visual,
void *frontBuffer, void *backBuffer, size_t size )
{
+ struct GLFBDevRenderbufferRec *frontrb, *backrb;
GLFBDevBufferPtr buf;
ASSERT(visual);
@@ -512,45 +602,56 @@ glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
if (!buf)
return NULL;
- _mesa_initialize_framebuffer(&buf->glframebuffer, &visual->glvisual,
+ /* basic framebuffer setup */
+ _mesa_initialize_framebuffer(&buf->glframebuffer, &visual->glvisual);
+ /* add front renderbuffer */
+ frontrb = new_glfbdev_renderbuffer(frontBuffer, visual->pixelFormat);
+ _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_FRONT_LEFT,
+ &frontrb->Base);
+ /* add back renderbuffer */
+ if (visual->glvisual.doubleBufferMode) {
+ backrb = new_glfbdev_renderbuffer(backBuffer, visual->pixelFormat);
+ _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_BACK_LEFT,
+ &backrb->Base);
+ }
+ /* add software renderbuffers */
+ _mesa_add_soft_renderbuffers(&buf->glframebuffer,
+ GL_FALSE, /* color */
visual->glvisual.haveDepthBuffer,
visual->glvisual.haveStencilBuffer,
visual->glvisual.haveAccumBuffer,
- GL_FALSE);
+ GL_FALSE, /* alpha */
+ GL_FALSE /* aux bufs */);
+
+
buf->fix = *fixInfo; /* struct assignment */
buf->var = *varInfo; /* struct assignment */
buf->visual = visual; /* ptr assignment */
- buf->frontStart = frontBuffer;
buf->size = size;
buf->bytesPerPixel = visual->var.bits_per_pixel / 8;
- buf->rowStride = visual->var.xres_virtual * buf->bytesPerPixel;
- buf->frontBottom = (GLubyte *) buf->frontStart
- + (visual->var.yres_virtual - 1) * buf->rowStride;
+ frontrb->rowStride = visual->var.xres_virtual * buf->bytesPerPixel;
+ frontrb->bottom = (GLubyte *) frontrb->Base.Data
+ + (visual->var.yres_virtual - 1) * frontrb->rowStride;
if (visual->glvisual.doubleBufferMode) {
- if (backBuffer) {
- buf->backStart = backBuffer;
- buf->mallocBackBuffer = GL_FALSE;
- }
- else {
- buf->backStart = _mesa_malloc(size);
- if (!buf->backStart) {
+ if (!backBuffer) {
+ /* malloc a back buffer */
+ backrb->Base.Data = _mesa_malloc(size);
+ if (!backrb->Base.Data) {
_mesa_free_framebuffer_data(&buf->glframebuffer);
_mesa_free(buf);
return NULL;
}
- buf->mallocBackBuffer = GL_TRUE;
+ backrb->mallocedBuffer = GL_TRUE;
}
- buf->backBottom = (GLubyte *) buf->backStart
- + (visual->var.yres_virtual - 1) * buf->rowStride;
- buf->curBottom = buf->backBottom;
+ backrb->rowStride = frontrb->rowStride;
+ backrb->bottom = (GLubyte *) backrb->Base.Data
+ + (visual->var.yres_virtual - 1) * backrb->rowStride;
}
else {
- buf->backStart = NULL;
- buf->mallocBackBuffer = GL_FALSE;
- buf->backBottom = NULL;
- buf->curBottom = buf->frontBottom;
+ backrb->bottom = NULL;
+ backrb->rowStride = 0;
}
return buf;
@@ -567,9 +668,6 @@ glFBDevDestroyBuffer( GLFBDevBufferPtr buffer )
if (buffer == curDraw || buffer == curRead) {
glFBDevMakeCurrent( NULL, NULL, NULL);
}
- if (buffer->mallocBackBuffer) {
- _mesa_free(buffer->backStart);
- }
/* free the software depth, stencil, accum buffers */
_mesa_free_framebuffer_data(&buffer->glframebuffer);
_mesa_free(buffer);
@@ -612,6 +710,10 @@ void
glFBDevSwapBuffers( GLFBDevBufferPtr buffer )
{
GLFBDevContextPtr fbdevctx = glFBDevGetCurrentContext();
+ struct GLFBDevRenderbufferRec *frontrb = (struct GLFBDevRenderbufferRec *)
+ buffer->glframebuffer.Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+ struct GLFBDevRenderbufferRec *backrb = (struct GLFBDevRenderbufferRec *)
+ buffer->glframebuffer.Attachment[BUFFER_BACK_LEFT].Renderbuffer;
if (!buffer || !buffer->visual->glvisual.doubleBufferMode)
return;
@@ -622,9 +724,9 @@ glFBDevSwapBuffers( GLFBDevBufferPtr buffer )
_mesa_notifySwapBuffers(&fbdevctx->glcontext);
}
- ASSERT(buffer->frontStart);
- ASSERT(buffer->backStart);
- _mesa_memcpy(buffer->frontStart, buffer->backStart, buffer->size);
+ ASSERT(frontrb->Base.Data);
+ ASSERT(backrb->Base.Data);
+ _mesa_memcpy(frontrb->Base.Data, backrb->Base.Data, buffer->size);
}
@@ -670,54 +772,15 @@ glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share )
struct swrast_device_driver *swdd;
swdd = _swrast_GetDeviceDriverReference( glctx );
swdd->SetBuffer = set_buffer;
- if (visual->pixelFormat == PF_B8G8R8) {
- swdd->WriteRGBASpan = write_rgba_span_B8G8R8;
- swdd->WriteRGBSpan = write_rgb_span_B8G8R8;
- swdd->WriteMonoRGBASpan = write_monorgba_span_B8G8R8;
- swdd->WriteRGBAPixels = write_rgba_pixels_B8G8R8;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_B8G8R8;
- swdd->ReadRGBASpan = read_rgba_span_B8G8R8;
- swdd->ReadRGBAPixels = read_rgba_pixels_B8G8R8;
- }
- else if (visual->pixelFormat == PF_B8G8R8A8) {
- swdd->WriteRGBASpan = write_rgba_span_B8G8R8A8;
- swdd->WriteRGBSpan = write_rgb_span_B8G8R8A8;
- swdd->WriteMonoRGBASpan = write_monorgba_span_B8G8R8A8;
- swdd->WriteRGBAPixels = write_rgba_pixels_B8G8R8A8;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_B8G8R8A8;
- swdd->ReadRGBASpan = read_rgba_span_B8G8R8A8;
- swdd->ReadRGBAPixels = read_rgba_pixels_B8G8R8A8;
- }
- else if (visual->pixelFormat == PF_B5G6R5) {
- swdd->WriteRGBASpan = write_rgba_span_B5G6R5;
- swdd->WriteRGBSpan = write_rgb_span_B5G6R5;
- swdd->WriteMonoRGBASpan = write_monorgba_span_B5G6R5;
- swdd->WriteRGBAPixels = write_rgba_pixels_B5G6R5;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_B5G6R5;
- swdd->ReadRGBASpan = read_rgba_span_B5G6R5;
- swdd->ReadRGBAPixels = read_rgba_pixels_B5G6R5;
- }
- else if (visual->pixelFormat == PF_B5G5R5) {
- swdd->WriteRGBASpan = write_rgba_span_B5G5R5;
- swdd->WriteRGBSpan = write_rgb_span_B5G5R5;
- swdd->WriteMonoRGBASpan = write_monorgba_span_B5G5R5;
- swdd->WriteRGBAPixels = write_rgba_pixels_B5G5R5;
- swdd->WriteMonoRGBAPixels = write_monorgba_pixels_B5G5R5;
- swdd->ReadRGBASpan = read_rgba_span_B5G5R5;
- swdd->ReadRGBAPixels = read_rgba_pixels_B5G5R5;
- }
- else if (visual->pixelFormat == PF_CI8) {
- swdd->WriteCI32Span = write_index32_span_CI8;
- swdd->WriteCI8Span = write_index8_span_CI8;
- swdd->WriteMonoCISpan = write_monoindex_span_CI8;
- swdd->WriteCI32Pixels = write_index_pixels_CI8;
- swdd->WriteMonoCIPixels = write_monoindex_pixels_CI8;
- swdd->ReadCI32Span = read_index_span_CI8;
- swdd->ReadCI32Pixels = read_index_pixels_CI8;
- }
- else {
- _mesa_printf("bad pixelformat: %d\n", visual->pixelFormat);
- }
+
+ /* no longer used */
+ swdd->WriteRGBASpan = NULL;
+ swdd->WriteRGBSpan = NULL;
+ swdd->WriteMonoRGBASpan = NULL;
+ swdd->WriteRGBAPixels = NULL;
+ swdd->WriteMonoRGBAPixels = NULL;
+ swdd->ReadRGBASpan = NULL;
+ swdd->ReadRGBAPixels = NULL;
}
/* use default TCL pipeline */
@@ -740,7 +803,7 @@ glFBDevDestroyContext( GLFBDevContextPtr context )
if (context) {
if (fbdevctx == context) {
/* destroying current context */
- _mesa_make_current2(NULL, NULL, NULL);
+ _mesa_make_current(NULL, NULL, NULL);
_mesa_notifyDestroy(&context->glcontext);
}
_mesa_free_context_data(&context->glcontext);
@@ -780,16 +843,16 @@ glFBDevMakeCurrent( GLFBDevContextPtr context,
context->visual != readBuffer->visual) {
return 0;
}
- _mesa_make_current2( &context->glcontext,
- &drawBuffer->glframebuffer,
- &readBuffer->glframebuffer );
+ _mesa_make_current( &context->glcontext,
+ &drawBuffer->glframebuffer,
+ &readBuffer->glframebuffer );
context->drawBuffer = drawBuffer;
context->readBuffer = readBuffer;
context->curBuffer = drawBuffer;
}
else {
/* unbind */
- _mesa_make_current2( NULL, NULL, NULL );
+ _mesa_make_current( NULL, NULL, NULL );
}
return 1;