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-rw-r--r--src/mesa/main/fbobject.c185
-rw-r--r--src/mesa/main/fbobject.h2
2 files changed, 141 insertions, 46 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index f5ddb37d349..1b605e7a836 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -23,9 +23,17 @@
*/
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+
#include "context.h"
#include "fbobject.h"
#include "hash.h"
+#include "teximage.h"
+#include "texstore.h"
#define IS_CUBE_FACE(TARGET) \
@@ -56,14 +64,14 @@ lookup_renderbuffer(GLcontext *ctx, GLuint id)
static struct gl_frame_buffer_object *
lookup_framebuffer(GLcontext *ctx, GLuint id)
{
- struct gl_frame_buffer_object *rb;
+ struct gl_frame_buffer_object *fb;
if (!id == 0)
return NULL;
- rb = (struct gl_frame_buffer_object *)
+ fb = (struct gl_frame_buffer_object *)
_mesa_HashLookup(ctx->Shared->FrameBuffers, id);
- return rb;
+ return fb;
}
@@ -234,6 +242,9 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
}
newRb->RefCount++;
}
+ else {
+ newRb = NULL;
+ }
oldRb = ctx->CurrentRenderbuffer;
if (oldRb) {
@@ -314,45 +325,130 @@ _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
}
+static GLenum
+base_internal_format(GLcontext *ctx, GLenum internalFormat)
+{
+ switch (internalFormat) {
+ /*case GL_ALPHA:*/
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return GL_ALPHA;
+ /*case GL_LUMINANCE:*/
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return GL_LUMINANCE;
+ /*case GL_LUMINANCE_ALPHA:*/
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return GL_LUMINANCE_ALPHA;
+ /*case GL_INTENSITY:*/
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return GL_INTENSITY;
+ /*case GL_RGB:*/
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return GL_RGB;
+ /*case GL_RGBA:*/
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return GL_RGBA;
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ return GL_STENCIL_INDEX;
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.SGIX_depth_texture) {
+ switch (internalFormat) {
+ /*case GL_DEPTH_COMPONENT:*/
+ case GL_DEPTH_COMPONENT16_SGIX:
+ case GL_DEPTH_COMPONENT24_SGIX:
+ case GL_DEPTH_COMPONENT32_SGIX:
+ return GL_DEPTH_COMPONENT;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ return 0;
+}
+
+
void
_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
GLsizei width, GLsizei height)
{
+ GLenum baseFormat;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_RENDERBUFFER_EXT:
- break;
- default:
+ if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "glRenderbufferStorageEXT(target)");
return;
}
- switch (internalFormat) {
- case GL_STENCIL_INDEX_EXT:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- break;
- default:
+ baseFormat = base_internal_format(ctx, internalFormat);
+ if (baseFormat == 0) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glRenderbufferStorageEXT(internalFormat)");
return;
}
- if (width > 0 /*value of MAX_RENDERBUFFER_SIZE_EXT*/) {
+ if (width < 1 || width > ctx->Const.MaxRenderbufferSize) {
_mesa_error(ctx, GL_INVALID_VALUE, "glRenderbufferStorageEXT(width)");
return;
}
- if (height > 0 /*value of MAX_RENDERBUFFER_SIZE_EXT*/) {
+ if (height < 1 || height > ctx->Const.MaxRenderbufferSize) {
_mesa_error(ctx, GL_INVALID_VALUE, "glRenderbufferStorageEXT(height)");
return;
}
+ /* XXX this check isn't in the spec, but seems necessary */
+ if (!ctx->CurrentRenderbuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glRenderbufferStorageEXT");
+ return;
+ }
+
+ if (ctx->CurrentRenderbuffer->Data) {
+ /* XXX device driver free */
+ _mesa_free(ctx->CurrentRenderbuffer->Data);
+ }
+
+ /* XXX device driver allocate, fix size */
+ ctx->CurrentRenderbuffer->Data = _mesa_malloc(width * height * 4);
+ if (ctx->CurrentRenderbuffer->Data == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glRenderbufferStorageEXT");
+ return;
+ }
+ ctx->CurrentRenderbuffer->InternalFormat = internalFormat;
+ ctx->CurrentRenderbuffer->Width = width;
+ ctx->CurrentRenderbuffer->Height = height;
}
@@ -363,33 +459,33 @@ _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_RENDERBUFFER_EXT:
- break;
- default:
+ if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetRenderbufferParameterivEXT(target)");
return;
}
+ if (!ctx->CurrentRenderbuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetRenderbufferParameterivEXT");
+ return;
+ }
+
switch (pname) {
case GL_RENDERBUFFER_WIDTH_EXT:
+ *params = ctx->CurrentRenderbuffer->Width;
+ return;
case GL_RENDERBUFFER_HEIGHT_EXT:
+ *params = ctx->CurrentRenderbuffer->Height;
+ return;
case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
- break;
+ *params = ctx->CurrentRenderbuffer->InternalFormat;
+ return;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetRenderbufferParameterivEXT(target)");
return;
}
-
- if (1/*GL_RENDERBUFFER_BINDING_EXT is zero*/) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetRenderbufferParameterivEXT");
- return;
- }
-
- *params = 0;
}
@@ -432,6 +528,9 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
}
newFb->RefCount++;
}
+ else {
+ newFb = NULL;
+ }
oldFb = ctx->CurrentFramebuffer;
if (oldFb) {
@@ -520,10 +619,7 @@ _mesa_CheckFramebufferStatusEXT(GLenum target)
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FRAMEBUFFER_STATUS_ERROR_EXT);
- switch (target) {
- case GL_FRAMEBUFFER_EXT:
- break;
- default:
+ if (target != GL_FRAMEBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glCheckFramebufferStatus(target)");
return GL_FRAMEBUFFER_STATUS_ERROR_EXT;
@@ -581,17 +677,7 @@ error_check_framebuffer_texture(GLcontext *ctx, GLuint 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)) {
+ if ((level < 0) || level >= _mesa_max_texture_levels(ctx, textarget)) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glFramebufferTexture%dDEXT(level)", dims);
return GL_TRUE;
@@ -883,6 +969,8 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
void
_mesa_GenerateMipmapEXT(GLenum target)
{
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -890,12 +978,17 @@ _mesa_GenerateMipmapEXT(GLenum target)
switch (target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_3D:
+ case GL_TEXTURE_CUBE_MAP:
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
return;
}
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ /* XXX this might not handle cube maps correctly */
+ _mesa_generate_mipmap(ctx, target, texUnit, texObj);
}
diff --git a/src/mesa/main/fbobject.h b/src/mesa/main/fbobject.h
index 222c58d00a2..ff51e7d4492 100644
--- a/src/mesa/main/fbobject.h
+++ b/src/mesa/main/fbobject.h
@@ -32,6 +32,8 @@ struct gl_render_buffer_object
GLint RefCount;
GLuint Name;
GLuint Width, Height;
+ GLenum InternalFormat;
+ GLvoid *Data;
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 10:30:59 +0000