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-rw-r--r--mesalib/src/mesa/main/buffers.c21
-rw-r--r--mesalib/src/mesa/main/buffers.h118
-rw-r--r--mesalib/src/mesa/main/context.c26
-rw-r--r--mesalib/src/mesa/main/fbobject.c60
4 files changed, 131 insertions, 94 deletions
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c
index 63f53e2b0..a75c9c2e7 100644
--- a/mesalib/src/mesa/main/buffers.c
+++ b/mesalib/src/mesa/main/buffers.c
@@ -462,6 +462,27 @@ _mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
/**
+ * Update the current drawbuffer's _ColorDrawBufferIndex[] list, etc.
+ * from the context's Color.DrawBuffer[] state.
+ * Use when changing contexts.
+ */
+void
+_mesa_update_draw_buffers(struct gl_context *ctx)
+{
+ GLenum buffers[MAX_DRAW_BUFFERS];
+ GLuint i;
+
+ /* should be a window system FBO */
+ assert(ctx->DrawBuffer->Name == 0);
+
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++)
+ buffers[i] = ctx->Color.DrawBuffer[i];
+
+ _mesa_drawbuffers(ctx, ctx->Const.MaxDrawBuffers, buffers, NULL);
+}
+
+
+/**
* Like \sa _mesa_drawbuffers(), this is a helper function for setting
* GL_READ_BUFFER state in the context and current FBO.
* \param ctx the rendering context
diff --git a/mesalib/src/mesa/main/buffers.h b/mesalib/src/mesa/main/buffers.h
index cf684c5fe..8083bc3d3 100644
--- a/mesalib/src/mesa/main/buffers.h
+++ b/mesalib/src/mesa/main/buffers.h
@@ -1,57 +1,61 @@
-/**
- * \file buffers.h
- * Frame buffer management functions declarations.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 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"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-
-#ifndef BUFFERS_H
-#define BUFFERS_H
-
-
-#include "glheader.h"
-
-struct gl_context;
-
-extern void GLAPIENTRY
-_mesa_DrawBuffer( GLenum mode );
-
-extern void GLAPIENTRY
-_mesa_DrawBuffersARB(GLsizei n, const GLenum *buffers);
-
-extern void
-_mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
- const GLbitfield *destMask);
-
-extern void
-_mesa_readbuffer(struct gl_context *ctx, GLenum buffer, GLint bufferIndex);
-
-extern void GLAPIENTRY
-_mesa_ReadBuffer( GLenum mode );
-
-
-#endif
+/**
+ * \file buffers.h
+ * Frame buffer management functions declarations.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+
+#ifndef BUFFERS_H
+#define BUFFERS_H
+
+
+#include "glheader.h"
+
+struct gl_context;
+
+extern void GLAPIENTRY
+_mesa_DrawBuffer( GLenum mode );
+
+extern void GLAPIENTRY
+_mesa_DrawBuffersARB(GLsizei n, const GLenum *buffers);
+
+extern void
+_mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
+ const GLbitfield *destMask);
+
+extern void
+_mesa_readbuffer(struct gl_context *ctx, GLenum buffer, GLint bufferIndex);
+
+extern void
+_mesa_update_draw_buffers(struct gl_context *ctx);
+
+
+extern void GLAPIENTRY
+_mesa_ReadBuffer( GLenum mode );
+
+
+#endif
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 22959c69e..5e56f4fce 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -1430,7 +1430,8 @@ _mesa_make_current( struct gl_context *newCtx,
}
if (curCtx &&
- (curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) && /* make sure this context is valid for flushing */
+ (curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) &&
+ /* make sure this context is valid for flushing */
curCtx != newCtx)
_mesa_flush(curCtx);
@@ -1445,8 +1446,6 @@ _mesa_make_current( struct gl_context *newCtx,
_glapi_set_dispatch(newCtx->CurrentDispatch);
if (drawBuffer && readBuffer) {
- /* TODO: check if newCtx and buffer's visual match??? */
-
ASSERT(drawBuffer->Name == 0);
ASSERT(readBuffer->Name == 0);
_mesa_reference_framebuffer(&newCtx->WinSysDrawBuffer, drawBuffer);
@@ -1457,23 +1456,12 @@ _mesa_make_current( struct gl_context *newCtx,
* or not bound to a user-created FBO.
*/
if (!newCtx->DrawBuffer || newCtx->DrawBuffer->Name == 0) {
- /* KW: merge conflict here, revisit.
- */
- /* fix up the fb fields - these will end up wrong otherwise
- * if the DRIdrawable changes, and everything relies on them.
- * This is a bit messy (same as needed in _mesa_BindFramebufferEXT)
- */
- unsigned int i;
- GLenum buffers[MAX_DRAW_BUFFERS];
-
_mesa_reference_framebuffer(&newCtx->DrawBuffer, drawBuffer);
-
- for(i = 0; i < newCtx->Const.MaxDrawBuffers; i++) {
- buffers[i] = newCtx->Color.DrawBuffer[i];
- }
-
- _mesa_drawbuffers(newCtx, newCtx->Const.MaxDrawBuffers,
- buffers, NULL);
+ /* Update the FBO's list of drawbuffers/renderbuffers.
+ * For winsys FBOs this comes from the GL state (which may have
+ * changed since the last time this FBO was bound).
+ */
+ _mesa_update_draw_buffers(newCtx);
}
if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) {
_mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 3da7a126e..90980a8b5 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -78,9 +78,32 @@ static struct gl_renderbuffer DummyRenderbuffer;
static struct gl_framebuffer IncompleteFramebuffer;
-#define IS_CUBE_FACE(TARGET) \
- ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
- (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
+static INLINE GLboolean
+is_cube_face(GLenum target)
+{
+ return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z);
+}
+
+
+/**
+ * Is the given FBO a user-created FBO?
+ */
+static INLINE GLboolean
+is_user_fbo(const struct gl_framebuffer *fb)
+{
+ return fb->Name != 0;
+}
+
+
+/**
+ * Is the given FBO a window system FBO (like an X window)?
+ */
+static INLINE GLboolean
+is_winsys_fbo(const struct gl_framebuffer *fb)
+{
+ return fb->Name == 0;
+}
static void
@@ -196,7 +219,7 @@ _mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
{
GLuint i;
- assert(fb->Name > 0);
+ assert(is_user_fbo(fb));
switch (attachment) {
case GL_COLOR_ATTACHMENT0_EXT:
@@ -244,7 +267,7 @@ static struct gl_renderbuffer_attachment *
_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
GLenum attachment)
{
- assert(fb->Name == 0);
+ assert(is_winsys_fbo(fb));
switch (attachment) {
case GL_FRONT_LEFT:
@@ -669,7 +692,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
GLint i;
GLuint j;
- assert(fb->Name != 0);
+ assert(is_user_fbo(fb));
numImages = 0;
fb->Width = 0;
@@ -968,10 +991,11 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
_mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
}
- if (ctx->DrawBuffer->Name) {
+ if (is_user_fbo(ctx->DrawBuffer)) {
detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
}
- if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
+ if (is_user_fbo(ctx->ReadBuffer)
+ && ctx->ReadBuffer != ctx->DrawBuffer) {
detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
}
@@ -1203,7 +1227,7 @@ invalidate_rb(GLuint key, void *data, void *userData)
struct gl_renderbuffer *rb = (struct gl_renderbuffer *) userData;
/* If this is a user-created FBO */
- if (fb->Name) {
+ if (is_user_fbo(fb)) {
GLuint i;
for (i = 0; i < BUFFER_COUNT; i++) {
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
@@ -1532,7 +1556,7 @@ check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
GLuint i;
ASSERT(ctx->Driver.RenderTexture);
- if (fb->Name == 0)
+ if (is_winsys_fbo(fb));
return; /* can't render to texture with winsys framebuffers */
for (i = 0; i < BUFFER_COUNT; i++) {
@@ -1552,7 +1576,7 @@ check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
static void
check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
{
- if (fb->Name == 0)
+ if (is_winsys_fbo(fb));
return; /* can't render to texture with winsys framebuffers */
if (ctx->Driver.FinishRenderTexture) {
@@ -1805,7 +1829,7 @@ _mesa_CheckFramebufferStatusEXT(GLenum target)
return 0;
}
- if (buffer->Name == 0) {
+ if (is_winsys_fbo(buffer)) {
/* The window system / default framebuffer is always complete */
return GL_FRAMEBUFFER_COMPLETE_EXT;
}
@@ -1843,7 +1867,7 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
}
/* check framebuffer binding */
- if (fb->Name == 0) {
+ if (is_winsys_fbo(fb)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferTexture%sEXT", caller);
return;
@@ -1866,7 +1890,7 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
}
else {
err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
- ? !IS_CUBE_FACE(textarget)
+ ? !is_cube_face(textarget)
: (texObj->Target != textarget);
}
}
@@ -1970,7 +1994,7 @@ _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
if ((texture != 0) &&
(textarget != GL_TEXTURE_2D) &&
(textarget != GL_TEXTURE_RECTANGLE_ARB) &&
- (!IS_CUBE_FACE(textarget))) {
+ (!is_cube_face(textarget))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
return;
@@ -2034,7 +2058,7 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
return;
}
- if (fb->Name == 0) {
+ if (is_winsys_fbo(fb)) {
/* Can't attach new renderbuffers to a window system framebuffer */
_mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
return;
@@ -2111,7 +2135,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
return;
}
- if (buffer->Name == 0) {
+ if (is_winsys_fbo(buffer)) {
/* the default / window-system FBO */
att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
}
@@ -2143,7 +2167,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
switch (pname) {
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
- *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
+ *params = is_winsys_fbo(buffer) ? GL_FRAMEBUFFER_DEFAULT : att->Type;
return;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
if (att->Type == GL_RENDERBUFFER_EXT) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 03:12:54 +0000