diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
---|---|---|
committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/mesa/main/bufferobj.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/mesa/main/bufferobj.c')
-rw-r--r-- | src/mesa/main/bufferobj.c | 153 |
1 files changed, 87 insertions, 66 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index 189b5e1655..9e765b21d2 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -52,51 +52,55 @@ /** - * Get the buffer object bound to the specified target in a GL context. - * - * \param ctx GL context - * \param target Buffer object target to be retrieved. Currently this must - * be either \c GL_ARRAY_BUFFER or \c GL_ELEMENT_ARRAY_BUFFER. - * \return A pointer to the buffer object bound to \c target in the + * Return pointer to address of a buffer object target. + * \param ctx the GL context + * \param target the buffer object target to be retrieved. + * \return pointer to pointer to the buffer object bound to \c target in the * specified context or \c NULL if \c target is invalid. */ -static INLINE struct gl_buffer_object * -get_buffer(GLcontext *ctx, GLenum target) +static INLINE struct gl_buffer_object ** +get_buffer_target(GLcontext *ctx, GLenum target) { - struct gl_buffer_object * bufObj = NULL; - switch (target) { - case GL_ARRAY_BUFFER_ARB: - bufObj = ctx->Array.ArrayBufferObj; - break; - case GL_ELEMENT_ARRAY_BUFFER_ARB: - bufObj = ctx->Array.ElementArrayBufferObj; - break; - case GL_PIXEL_PACK_BUFFER_EXT: - bufObj = ctx->Pack.BufferObj; - break; - case GL_PIXEL_UNPACK_BUFFER_EXT: - bufObj = ctx->Unpack.BufferObj; - break; - case GL_COPY_READ_BUFFER: - if (ctx->Extensions.ARB_copy_buffer) { - bufObj = ctx->CopyReadBuffer; - } - break; - case GL_COPY_WRITE_BUFFER: - if (ctx->Extensions.ARB_copy_buffer) { - bufObj = ctx->CopyWriteBuffer; - } - break; - default: - /* error must be recorded by caller */ - return NULL; + case GL_ARRAY_BUFFER_ARB: + return &ctx->Array.ArrayBufferObj; + case GL_ELEMENT_ARRAY_BUFFER_ARB: + return &ctx->Array.ElementArrayBufferObj; + case GL_PIXEL_PACK_BUFFER_EXT: + return &ctx->Pack.BufferObj; + case GL_PIXEL_UNPACK_BUFFER_EXT: + return &ctx->Unpack.BufferObj; + case GL_COPY_READ_BUFFER: + if (ctx->Extensions.ARB_copy_buffer) { + return &ctx->CopyReadBuffer; + } + break; + case GL_COPY_WRITE_BUFFER: + if (ctx->Extensions.ARB_copy_buffer) { + return &ctx->CopyWriteBuffer; + } + break; + default: + return NULL; } + return NULL; +} - /* bufObj should point to NullBufferObj or a user-created buffer object */ - ASSERT(bufObj); - return bufObj; +/** + * Get the buffer object bound to the specified target in a GL context. + * \param ctx the GL context + * \param target the buffer object target to be retrieved. + * \return pointer to the buffer object bound to \c target in the + * specified context or \c NULL if \c target is invalid. + */ +static INLINE struct gl_buffer_object * +get_buffer(GLcontext *ctx, GLenum target) +{ + struct gl_buffer_object **bufObj = get_buffer_target(ctx, target); + if (bufObj) + return *bufObj; + return NULL; } @@ -552,6 +556,7 @@ _mesa_init_buffer_objects( GLcontext *ctx ) /** * Bind the specified target to buffer for the specified context. + * Called by glBindBuffer() and other functions. */ static void bind_buffer_object(GLcontext *ctx, GLenum target, GLuint buffer) @@ -560,40 +565,14 @@ bind_buffer_object(GLcontext *ctx, GLenum target, GLuint buffer) struct gl_buffer_object *newBufObj = NULL; struct gl_buffer_object **bindTarget = NULL; - switch (target) { - case GL_ARRAY_BUFFER_ARB: - bindTarget = &ctx->Array.ArrayBufferObj; - break; - case GL_ELEMENT_ARRAY_BUFFER_ARB: - bindTarget = &ctx->Array.ElementArrayBufferObj; - break; - case GL_PIXEL_PACK_BUFFER_EXT: - bindTarget = &ctx->Pack.BufferObj; - break; - case GL_PIXEL_UNPACK_BUFFER_EXT: - bindTarget = &ctx->Unpack.BufferObj; - break; - case GL_COPY_READ_BUFFER: - if (ctx->Extensions.ARB_copy_buffer) { - bindTarget = &ctx->CopyReadBuffer; - } - break; - case GL_COPY_WRITE_BUFFER: - if (ctx->Extensions.ARB_copy_buffer) { - bindTarget = &ctx->CopyWriteBuffer; - } - break; - default: - ; /* no-op / we'll hit the follow error test next */ - } - + bindTarget = get_buffer_target(ctx, target); if (!bindTarget) { _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target 0x%x)"); return; } /* Get pointer to old buffer object (to be unbound) */ - oldBufObj = get_buffer(ctx, target); + oldBufObj = *bindTarget; if (oldBufObj && oldBufObj->Name == buffer) return; /* rebinding the same buffer object- no change */ @@ -1410,6 +1389,48 @@ _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params) } +/** + * New in GL 3.2 + * This is pretty much a duplicate of GetBufferParameteriv() but the + * GL_BUFFER_SIZE_ARB attribute will be 64-bits on a 64-bit system. + */ +void GLAPIENTRY +_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *bufObj; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + bufObj = get_buffer(ctx, target); + if (!bufObj) { + _mesa_error(ctx, GL_INVALID_ENUM, "GetBufferParameteri64v(target)" ); + return; + } + if (!_mesa_is_bufferobj(bufObj)) { + _mesa_error(ctx, GL_INVALID_OPERATION, "GetBufferParameteri64v" ); + return; + } + + switch (pname) { + case GL_BUFFER_SIZE_ARB: + *params = bufObj->Size; + break; + case GL_BUFFER_USAGE_ARB: + *params = bufObj->Usage; + break; + case GL_BUFFER_ACCESS_ARB: + *params = simplified_access_mode(bufObj->AccessFlags); + break; + case GL_BUFFER_MAPPED_ARB: + *params = _mesa_bufferobj_mapped(bufObj); + break; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(pname)"); + return; + } +} + + void GLAPIENTRY _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params) { |