diff options
-rw-r--r-- | src/mesa/main/fbobject.c | 185 | ||||
-rw-r--r-- | src/mesa/main/fbobject.h | 2 |
2 files changed, 141 insertions, 46 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index f5ddb37d34..1b605e7a83 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 222c58d00a..ff51e7d449 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; }; |