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authorBrian Paul <[email protected]>2005-02-07 05:08:24 +0000
committerBrian Paul <[email protected]>2005-02-07 05:08:24 +0000
commit3deaa01c2bd576ae81fc6d3ea67c583cb3c22159 (patch)
tree720bcae66b5456b4a88e52c35c03274332b2acca /src/mesa/main/fbobject.c
parent1e42244e82e387282849b0182bb71b6803ac27d3 (diff)
additional work on GL_EXT_framebuffer_object
Diffstat (limited to 'src/mesa/main/fbobject.c')
-rw-r--r--src/mesa/main/fbobject.c608
1 files changed, 395 insertions, 213 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 99023759531..f5ddb37d349 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -28,80 +28,16 @@
#include "hash.h"
-/* XXX these are temporary here! */
-#define GL_FRAMEBUFFER_EXT 0x8D40
-#define GL_RENDERBUFFER_EXT 0x8D41
-#define GL_STENCIL_INDEX_EXT 0x8D45
-#define GL_STENCIL_INDEX1_EXT 0x8D46
-#define GL_STENCIL_INDEX4_EXT 0x8D47
-#define GL_STENCIL_INDEX8_EXT 0x8D48
-#define GL_STENCIL_INDEX16_EXT 0x8D49
-#define GL_RENDERBUFFER_WIDTH_EXT 0x8D42
-#define GL_RENDERBUFFER_HEIGHT_EXT 0x8D43
-#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT 0x8D44
-#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT 0x8CD0
-#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT 0x8CD1
-#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT 0x8CD2
-#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT 0x8CD3
-#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT 0x8CD4
-#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
-#define GL_COLOR_ATTACHMENT1_EXT 0x8CE1
-#define GL_COLOR_ATTACHMENT2_EXT 0x8CE2
-#define GL_COLOR_ATTACHMENT3_EXT 0x8CE3
-#define GL_COLOR_ATTACHMENT4_EXT 0x8CE4
-#define GL_COLOR_ATTACHMENT5_EXT 0x8CE5
-#define GL_COLOR_ATTACHMENT6_EXT 0x8CE6
-#define GL_COLOR_ATTACHMENT7_EXT 0x8CE7
-#define GL_COLOR_ATTACHMENT8_EXT 0x8CE8
-#define GL_COLOR_ATTACHMENT9_EXT 0x8CE9
-#define GL_COLOR_ATTACHMENT10_EXT 0x8CEA
-#define GL_COLOR_ATTACHMENT11_EXT 0x8CEB
-#define GL_COLOR_ATTACHMENT12_EXT 0x8CEC
-#define GL_COLOR_ATTACHMENT13_EXT 0x8CED
-#define GL_COLOR_ATTACHMENT14_EXT 0x8CEE
-#define GL_COLOR_ATTACHMENT15_EXT 0x8CEF
-#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
-#define GL_STENCIL_ATTACHMENT_EXT 0x8D20
-#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
-#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT 0x8CD6
-#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT 0x8CD7
-#define GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT 0x8CD8
-#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT 0x8CD9
-#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT 0x8CDA
-#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT 0x8CDB
-#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT 0x8CDC
-#define GL_FRAMEBUFFER_UNSUPPORTED_EXT 0x8CDD
-#define GL_FRAMEBUFFER_STATUS_ERROR_EXT 0x8CDE
-#define GL_FRAMEBUFFER_BINDING_EXT 0x8CA6
-#define GL_RENDERBUFFER_BINDING_EXT 0x8CA7
-#define GL_MAX_COLOR_ATTACHMENTS_EXT 0x8CDF
-#define GL_MAX_RENDERBUFFER_SIZE_EXT 0x84E8
-#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT 0x0506
-
-
-struct gl_render_buffer_object
-{
- GLint RefCount;
- GLuint Name;
-
- GLuint width, height;
-};
-
-
-struct gl_frame_buffer_object
-{
- GLint RefCount;
- GLuint Name;
-
-};
-
+#define IS_CUBE_FACE(TARGET) \
+ ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
+ (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
/**
* Helper routine for getting a gl_render_buffer_object.
*/
static struct gl_render_buffer_object *
-LookupRenderbuffer(GLcontext *ctx, GLuint id)
+lookup_renderbuffer(GLcontext *ctx, GLuint id)
{
struct gl_render_buffer_object *rb;
@@ -118,7 +54,7 @@ LookupRenderbuffer(GLcontext *ctx, GLuint id)
* Helper routine for getting a gl_frame_buffer_object.
*/
static struct gl_frame_buffer_object *
-LookupFramebuffer(GLcontext *ctx, GLuint id)
+lookup_framebuffer(GLcontext *ctx, GLuint id)
{
struct gl_frame_buffer_object *rb;
@@ -136,12 +72,13 @@ LookupFramebuffer(GLcontext *ctx, GLuint id)
* XXX make this a device driver function.
*/
static struct gl_render_buffer_object *
-NewRenderBuffer(GLcontext *ctx, GLuint name)
+new_renderbuffer(GLcontext *ctx, GLuint name)
{
struct gl_render_buffer_object *rb = CALLOC_STRUCT(gl_render_buffer_object);
if (rb) {
rb->Name = name;
rb->RefCount = 1;
+ /* other fields are zero */
}
return rb;
}
@@ -152,7 +89,7 @@ NewRenderBuffer(GLcontext *ctx, GLuint name)
* XXX make this a device driver function.
*/
static struct gl_frame_buffer_object *
-NewFrameBuffer(GLcontext *ctx, GLuint name)
+new_framebuffer(GLcontext *ctx, GLuint name)
{
struct gl_frame_buffer_object *fb = CALLOC_STRUCT(gl_frame_buffer_object);
if (fb) {
@@ -163,6 +100,100 @@ NewFrameBuffer(GLcontext *ctx, GLuint name)
}
+static struct gl_render_buffer_attachment *
+get_attachment(GLcontext *ctx, GLenum attachment)
+{
+ GLuint i;
+
+ switch (attachment) {
+ case GL_COLOR_ATTACHMENT0_EXT:
+ case GL_COLOR_ATTACHMENT1_EXT:
+ case GL_COLOR_ATTACHMENT2_EXT:
+ case GL_COLOR_ATTACHMENT3_EXT:
+ case GL_COLOR_ATTACHMENT4_EXT:
+ case GL_COLOR_ATTACHMENT5_EXT:
+ case GL_COLOR_ATTACHMENT6_EXT:
+ case GL_COLOR_ATTACHMENT7_EXT:
+ case GL_COLOR_ATTACHMENT8_EXT:
+ case GL_COLOR_ATTACHMENT9_EXT:
+ case GL_COLOR_ATTACHMENT10_EXT:
+ case GL_COLOR_ATTACHMENT11_EXT:
+ case GL_COLOR_ATTACHMENT12_EXT:
+ case GL_COLOR_ATTACHMENT13_EXT:
+ case GL_COLOR_ATTACHMENT14_EXT:
+ case GL_COLOR_ATTACHMENT15_EXT:
+ i = attachment - GL_COLOR_ATTACHMENT0_EXT;
+ if (i >= ctx->Const.MaxColorAttachments) {
+ return NULL;
+ }
+ return &ctx->CurrentFramebuffer->ColorAttachment[i];
+ case GL_DEPTH_ATTACHMENT_EXT:
+ return &ctx->CurrentFramebuffer->DepthAttachment;
+ case GL_STENCIL_ATTACHMENT_EXT:
+ return &ctx->CurrentFramebuffer->StencilAttachment;
+ default:
+ return NULL;
+ }
+}
+
+
+static void
+remove_attachment(GLcontext *ctx, struct gl_render_buffer_attachment *att)
+{
+ if (att->Type == GL_TEXTURE) {
+ ASSERT(att->Texture);
+ ASSERT(!att->Renderbuffer);
+ att->Texture->RefCount--;
+ if (att->Texture->RefCount == 0) {
+ ctx->Driver.DeleteTexture(ctx, att->Texture);
+ }
+ att->Texture = NULL;
+ }
+ else if (att->Type == GL_RENDERBUFFER_EXT) {
+ ASSERT(att->Renderbuffer);
+ ASSERT(!att->Texture);
+ att->Renderbuffer->RefCount--;
+ if (att->Renderbuffer->RefCount == 0) {
+ _mesa_free(att->Renderbuffer); /* XXX driver free */
+ }
+ att->Renderbuffer = NULL;
+ }
+ att->Type = GL_NONE;
+}
+
+
+static void
+set_texture_attachment(GLcontext *ctx,
+ struct gl_render_buffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset)
+{
+ remove_attachment(ctx, att);
+ att->Type = GL_TEXTURE;
+ att->Texture = texObj;
+ att->TextureLevel = level;
+ if (IS_CUBE_FACE(texTarget)) {
+ att->CubeMapFace = texTarget - GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+ }
+ else {
+ att->CubeMapFace = 0;
+ }
+ att->Zoffset = zoffset;
+ texObj->RefCount++;
+}
+
+
+static void
+set_renderbuffer_attachment(GLcontext *ctx,
+ struct gl_render_buffer_attachment *att,
+ struct gl_render_buffer_object *rb)
+{
+ remove_attachment(ctx, att);
+ att->Type = GL_RENDERBUFFER_EXT;
+ att->Renderbuffer = rb;
+ rb->RefCount++;
+}
+
GLboolean
_mesa_IsRenderbufferEXT(GLuint renderbuffer)
@@ -172,7 +203,7 @@ _mesa_IsRenderbufferEXT(GLuint renderbuffer)
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- rb = LookupRenderbuffer(ctx, renderbuffer);
+ rb = lookup_renderbuffer(ctx, renderbuffer);
return rb ? GL_TRUE : GL_FALSE;
}
@@ -180,28 +211,39 @@ _mesa_IsRenderbufferEXT(GLuint renderbuffer)
void
_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
{
- struct gl_render_buffer_object *rb;
+ struct gl_render_buffer_object *newRb, *oldRb;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_RENDERBUFFER_EXT:
- break;
- case GL_FRAMEBUFFER_EXT:
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glBindRenderbufferEXT(target)");
return;
}
- rb = LookupRenderbuffer(ctx, renderbuffer);
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glIsRenderbufferEXT(renderbuffer)");
- return;
+ if (renderbuffer) {
+ newRb = lookup_renderbuffer(ctx, renderbuffer);
+ if (!newRb) {
+ /* create new renderbuffer object */
+ newRb = new_renderbuffer(ctx, renderbuffer);
+ if (!newRb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
+ return;
+ }
+ }
+ newRb->RefCount++;
}
+ oldRb = ctx->CurrentRenderbuffer;
+ if (oldRb) {
+ oldRb->RefCount--;
+ if (oldRb->RefCount == 0) {
+ _mesa_free(oldRb); /* XXX device driver function */
+ }
+ }
+ ctx->CurrentRenderbuffer = newRb;
}
@@ -214,19 +256,21 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
ASSERT_OUTSIDE_BEGIN_END(ctx);
for (i = 0; i < n; i++) {
- struct gl_render_buffer_object *rb;
- rb = LookupRenderbuffer(ctx, renderbuffers[i]);
- if (rb) {
- /* remove from hash table immediately, to free the ID */
- _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
-
- /* But the object will not be freed until it's no longer bound in
- * any context.
- */
- rb->RefCount--;
- if (rb->RefCount == 0) {
- _mesa_free(rb); /* XXX call device driver function */
- }
+ if (renderbuffers[i]) {
+ struct gl_render_buffer_object *rb;
+ rb = lookup_renderbuffer(ctx, renderbuffers[i]);
+ if (rb) {
+ /* remove from hash table immediately, to free the ID */
+ _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
+
+ /* But the object will not be freed until it's no longer bound in
+ * any context.
+ */
+ rb->RefCount--;
+ if (rb->RefCount == 0) {
+ _mesa_free(rb); /* XXX call device driver function */
+ }
+ }
}
}
}
@@ -254,7 +298,7 @@ _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
for (i = 0; i < n; i++) {
struct gl_render_buffer_object *rb;
GLuint name = first + i;
- rb = NewRenderBuffer(ctx, name);
+ rb = new_renderbuffer(ctx, name);
if (!rb) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenRenderbuffersEXT");
return;
@@ -270,7 +314,6 @@ _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
}
-
void
_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
GLsizei width, GLsizei height)
@@ -300,7 +343,6 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
return;
}
-
if (width > 0 /*value of MAX_RENDERBUFFER_SIZE_EXT*/) {
_mesa_error(ctx, GL_INVALID_VALUE, "glRenderbufferStorageEXT(width)");
return;
@@ -311,12 +353,9 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
return;
}
-
-
}
-
void
_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
{
@@ -354,7 +393,6 @@ _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
}
-
GLboolean
_mesa_IsFramebufferEXT(GLuint framebuffer)
{
@@ -363,7 +401,7 @@ _mesa_IsFramebufferEXT(GLuint framebuffer)
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- fb = LookupFramebuffer(ctx, framebuffer);
+ fb = lookup_framebuffer(ctx, framebuffer);
return fb ? GL_TRUE : GL_FALSE;
}
@@ -371,20 +409,39 @@ _mesa_IsFramebufferEXT(GLuint framebuffer)
void
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
{
+ struct gl_frame_buffer_object *newFb, *oldFb;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_FRAMEBUFFER_EXT:
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
+ if (target != GL_FRAMEBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
"glBindFramebufferEXT(target)");
return;
}
+ if (framebuffer) {
+ newFb = lookup_framebuffer(ctx, framebuffer);
+ if (!newFb) {
+ /* create new framebuffer object */
+ newFb = new_framebuffer(ctx, framebuffer);
+ if (!newFb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
+ return;
+ }
+ }
+ newFb->RefCount++;
+ }
+
+ oldFb = ctx->CurrentFramebuffer;
+ if (oldFb) {
+ oldFb->RefCount--;
+ if (oldFb->RefCount == 0) {
+ _mesa_free(oldFb); /* XXX device driver function */
+ }
+ }
+ ctx->CurrentFramebuffer = newFb;
}
@@ -397,19 +454,21 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
ASSERT_OUTSIDE_BEGIN_END(ctx);
for (i = 0; i < n; i++) {
- struct gl_frame_buffer_object *fb;
- fb = LookupFramebuffer(ctx, framebuffers[i]);
- if (fb) {
- /* remove from hash table immediately, to free the ID */
- _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
-
- /* But the object will not be freed until it's no longer bound in
- * any context.
- */
- fb->RefCount--;
- if (fb->RefCount == 0) {
- _mesa_free(fb); /* XXX call device driver function */
- }
+ if (framebuffers[i]) {
+ struct gl_frame_buffer_object *fb;
+ fb = lookup_framebuffer(ctx, framebuffers[i]);
+ if (fb) {
+ /* remove from hash table immediately, to free the ID */
+ _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
+
+ /* But the object will not be freed until it's no longer bound in
+ * any context.
+ */
+ fb->RefCount--;
+ if (fb->RefCount == 0) {
+ _mesa_free(fb); /* XXX call device driver function */
+ }
+ }
}
}
}
@@ -437,7 +496,7 @@ _mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
for (i = 0; i < n; i++) {
struct gl_frame_buffer_object *fb;
GLuint name = first + i;
- fb = NewFrameBuffer(ctx, name);
+ fb = new_framebuffer(ctx, name);
if (!fb) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenFramebuffersEXT");
return;
@@ -492,52 +551,51 @@ _mesa_CheckFramebufferStatusEXT(GLenum target)
* \return GL_TRUE if any error, GL_FALSE otherwise
*/
static GLboolean
-error_check_framebuffer_texture(GLcontext *ctx,
- GLuint dims, GLenum target, GLenum attachment,
- GLint level)
+error_check_framebuffer_texture(GLcontext *ctx, GLuint dims,
+ GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture, GLint level)
{
+ ASSERT(dims >= 1 && dims <= 3);
+
if (target != GL_FRAMEBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferTexture%dDEXT(target)", dims);
return GL_TRUE;
}
- switch (attachment) {
- case GL_COLOR_ATTACHMENT0_EXT:
- case GL_COLOR_ATTACHMENT1_EXT:
- case GL_COLOR_ATTACHMENT2_EXT:
- case GL_COLOR_ATTACHMENT3_EXT:
- case GL_COLOR_ATTACHMENT4_EXT:
- case GL_COLOR_ATTACHMENT5_EXT:
- case GL_COLOR_ATTACHMENT6_EXT:
- case GL_COLOR_ATTACHMENT7_EXT:
- case GL_COLOR_ATTACHMENT8_EXT:
- case GL_COLOR_ATTACHMENT9_EXT:
- case GL_COLOR_ATTACHMENT10_EXT:
- case GL_COLOR_ATTACHMENT11_EXT:
- case GL_COLOR_ATTACHMENT12_EXT:
- case GL_COLOR_ATTACHMENT13_EXT:
- case GL_COLOR_ATTACHMENT14_EXT:
- case GL_COLOR_ATTACHMENT15_EXT:
- case GL_DEPTH_ATTACHMENT_EXT:
- case GL_STENCIL_ATTACHMENT_EXT:
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture%dDEXT(level)", dims);
+ if (ctx->CurrentFramebuffer == NULL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%dDEXT", dims);
return GL_TRUE;
}
- if (level < 0 /* || level too large */) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%dDEXT(level)", dims);
- return GL_TRUE;
- }
+ /* only check textarget, level if texture ID is non-zero*/
+ if (texture) {
+ if ((dims == 1 && textarget != GL_TEXTURE_1D) ||
+ (dims == 3 && textarget != GL_TEXTURE_3D) ||
+ (dims == 2 && textarget != GL_TEXTURE_2D &&
+ textarget != GL_TEXTURE_RECTANGLE_ARB &&
+ !IS_CUBE_FACE(textarget))) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%dDEXT(textarget)", dims);
+ return GL_TRUE;
+ }
- if (target == GL_TEXTURE_RECTANGLE_ARB && level != 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%dDEXT(level)", dims);
- return GL_TRUE;
+ if ((level < 0)
+ || (textarget == GL_TEXTURE_1D
+ && level >= ctx->Const.MaxTextureLevels)
+ || (textarget == GL_TEXTURE_2D
+ && level >= ctx->Const.MaxTextureLevels)
+ || (textarget == GL_TEXTURE_3D
+ && level >= ctx->Const.Max3DTextureLevels)
+ || (textarget == GL_TEXTURE_RECTANGLE_ARB
+ && level != 0)
+ || (IS_CUBE_FACE(textarget)
+ && level >= ctx->Const.MaxCubeTextureLevels)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%dDEXT(level)", dims);
+ return GL_TRUE;
+ }
}
return GL_FALSE;
@@ -548,13 +606,44 @@ void
_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level)
{
+ struct gl_render_buffer_attachment *att;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (error_check_framebuffer_texture(ctx, 1, target, attachment, level))
+ if (error_check_framebuffer_texture(ctx, 1, target, attachment,
+ textarget, texture, level))
return;
+ ASSERT(textarget == GL_TEXTURE_1D);
+
+ att = get_attachment(ctx, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture1DEXT(attachment)");
+ return;
+ }
+
+ if (texture) {
+ struct gl_texture_object *texObj = (struct gl_texture_object *)
+ _mesa_HashLookup(ctx->Shared->TexObjects, texture);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture1DEXT(texture)");
+ return;
+ }
+ if (texObj->Target != textarget) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, /* XXX correct error? */
+ "glFramebufferTexture1DEXT(texture target)");
+ return;
+ }
+ set_texture_attachment(ctx, att, texObj, textarget, level, 0);
+ }
+ else {
+ remove_attachment(ctx, att);
+ }
+
+ /* XXX call a driver function to signal new attachment? */
}
@@ -562,12 +651,49 @@ void
_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level)
{
+ struct gl_render_buffer_attachment *att;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (error_check_framebuffer_texture(ctx, 1, target, attachment, level))
+ if (error_check_framebuffer_texture(ctx, 2, target, attachment,
+ textarget, texture, level))
+ return;
+
+ ASSERT(textarget == GL_TEXTURE_2D ||
+ textarget == GL_TEXTURE_RECTANGLE_ARB ||
+ IS_CUBE_FACE(textarget));
+
+ att = get_attachment(ctx, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture2DEXT(attachment)");
return;
+ }
+
+ if (texture) {
+ struct gl_texture_object *texObj = (struct gl_texture_object *)
+ _mesa_HashLookup(ctx->Shared->TexObjects, texture);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture2DEXT(texture)");
+ return;
+ }
+ if ((texObj->Target == GL_TEXTURE_2D && textarget != GL_TEXTURE_2D) ||
+ (texObj->Target == GL_TEXTURE_RECTANGLE_ARB
+ && textarget != GL_TEXTURE_RECTANGLE_ARB) ||
+ (texObj->Target == GL_TEXTURE_CUBE_MAP
+ && !IS_CUBE_FACE(textarget))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, /* XXX correct error? */
+ "glFramebufferTexture2DEXT(texture target)");
+ return;
+ }
+ set_texture_attachment(ctx, att, texObj, textarget, level, 0);
+ }
+ else {
+ remove_attachment(ctx, att);
+ }
+
}
@@ -576,14 +702,47 @@ _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture,
GLint level, GLint zoffset)
{
+ struct gl_render_buffer_attachment *att;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (error_check_framebuffer_texture(ctx, 1, target, attachment, level))
+ if (error_check_framebuffer_texture(ctx, 3, target, attachment,
+ textarget, texture, level))
return;
- /* check that zoffset isn't too large */
+ ASSERT(textarget == GL_TEXTURE_3D);
+
+ att = get_attachment(ctx, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture1DEXT(attachment)");
+ return;
+ }
+
+ if (texture) {
+ struct gl_texture_object *texObj = (struct gl_texture_object *)
+ _mesa_HashLookup(ctx->Shared->TexObjects, texture);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture3DEXT(texture)");
+ return;
+ }
+ if (texObj->Target != textarget) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, /* XXX correct error? */
+ "glFramebufferTexture3DEXT(texture target)");
+ return;
+ }
+ if (zoffset >= texObj->Image[0][level]->Depth) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture3DEXT(zoffset)");
+ return;
+ }
+ set_texture_attachment(ctx, att, texObj, textarget, level, zoffset);
+ }
+ else {
+ remove_attachment(ctx, att);
+ }
}
@@ -593,6 +752,8 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
GLenum renderbufferTarget,
GLuint renderbuffer)
{
+ struct gl_render_buffer_object *rb;
+ struct gl_render_buffer_attachment *att;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -603,39 +764,38 @@ _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
return;
}
- switch (attachment) {
- case GL_COLOR_ATTACHMENT0_EXT:
- case GL_COLOR_ATTACHMENT1_EXT:
- case GL_COLOR_ATTACHMENT2_EXT:
- case GL_COLOR_ATTACHMENT3_EXT:
- case GL_COLOR_ATTACHMENT4_EXT:
- case GL_COLOR_ATTACHMENT5_EXT:
- case GL_COLOR_ATTACHMENT6_EXT:
- case GL_COLOR_ATTACHMENT7_EXT:
- case GL_COLOR_ATTACHMENT8_EXT:
- case GL_COLOR_ATTACHMENT9_EXT:
- case GL_COLOR_ATTACHMENT10_EXT:
- case GL_COLOR_ATTACHMENT11_EXT:
- case GL_COLOR_ATTACHMENT12_EXT:
- case GL_COLOR_ATTACHMENT13_EXT:
- case GL_COLOR_ATTACHMENT14_EXT:
- case GL_COLOR_ATTACHMENT15_EXT:
- case GL_DEPTH_ATTACHMENT_EXT:
- case GL_STENCIL_ATTACHMENT_EXT:
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(attachment)");
+ if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(renderbufferTarget)");
return;
}
- if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(renderbufferTarget)");
+ if (ctx->CurrentFramebuffer == NULL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
return;
}
+ if (renderbuffer) {
+ rb = lookup_renderbuffer(ctx, renderbuffer);
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferRenderbufferEXT(renderbuffer)");
+ return;
+ }
+ }
+ else {
+ rb = NULL; /* default renderbuffer */
+ }
+
+ att = get_attachment(ctx, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(attachment)");
+ return;
+ }
+ remove_attachment(ctx, att);
+ set_renderbuffer_attachment(ctx, att, rb);
}
@@ -644,6 +804,7 @@ void
_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
GLenum pname, GLint *params)
{
+ const struct gl_render_buffer_attachment *att;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -654,27 +815,14 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
return;
}
- switch (attachment) {
- case GL_COLOR_ATTACHMENT0_EXT:
- case GL_COLOR_ATTACHMENT1_EXT:
- case GL_COLOR_ATTACHMENT2_EXT:
- case GL_COLOR_ATTACHMENT3_EXT:
- case GL_COLOR_ATTACHMENT4_EXT:
- case GL_COLOR_ATTACHMENT5_EXT:
- case GL_COLOR_ATTACHMENT6_EXT:
- case GL_COLOR_ATTACHMENT7_EXT:
- case GL_COLOR_ATTACHMENT8_EXT:
- case GL_COLOR_ATTACHMENT9_EXT:
- case GL_COLOR_ATTACHMENT10_EXT:
- case GL_COLOR_ATTACHMENT11_EXT:
- case GL_COLOR_ATTACHMENT12_EXT:
- case GL_COLOR_ATTACHMENT13_EXT:
- case GL_COLOR_ATTACHMENT14_EXT:
- case GL_COLOR_ATTACHMENT15_EXT:
- case GL_DEPTH_ATTACHMENT_EXT:
- case GL_STENCIL_ATTACHMENT_EXT:
- break;
- default:
+ if (ctx->CurrentFramebuffer == NULL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameterivEXT");
+ return;
+ }
+
+ att = get_attachment(ctx, attachment);
+ if (att == NULL) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetFramebufferAttachmentParameterivEXT(attachment)");
return;
@@ -682,18 +830,52 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
switch (pname) {
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
+ *params = att->Type;
+ return;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
+ if (att->Type == GL_RENDERBUFFER_EXT) {
+ *params = att->Renderbuffer->Name;
+ }
+ else if (att->Type == GL_TEXTURE) {
+ *params = att->Texture->Name;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
+ if (att->Type == GL_TEXTURE) {
+ *params = att->TextureLevel;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
+ if (att->Type == GL_TEXTURE) {
+ *params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
- break;
+ if (att->Type == GL_TEXTURE) {
+ *params = att->Zoffset;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetFramebufferAttachmentParameterivEXT(pname)");
return;
}
-
- *params = 0;
}