diff options
Diffstat (limited to 'src/mesa/drivers/common/meta.c')
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 4533d82743..cdb2500f7c 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -266,13 +266,16 @@ struct gen_mipmap_state GLuint FBO; }; - +#define MAX_META_OPS_DEPTH 2 /** * All per-context meta state. */ struct gl_meta_state { - struct save_state Save; /**< state saved during meta-ops */ + /** Stack of state saved during meta-ops */ + struct save_state Save[MAX_META_OPS_DEPTH]; + /** Save stack depth */ + GLuint SaveStackDepth; struct temp_texture TempTex; @@ -324,8 +327,13 @@ _mesa_meta_free(struct gl_context *ctx) static void _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) { - struct save_state *save = &ctx->Meta->Save; + struct save_state *save; + + /* hope MAX_META_OPS_DEPTH is large enough */ + assert(ctx->Meta->SaveStackDepth < MAX_META_OPS_DEPTH); + save = &ctx->Meta->Save[ctx->Meta->SaveStackDepth++]; + memset(save, 0, sizeof(*save)); save->SavedState = state; if (state & META_ALPHA_TEST) { @@ -575,7 +583,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) static void _mesa_meta_end(struct gl_context *ctx) { - struct save_state *save = &ctx->Meta->Save; + struct save_state *save = &ctx->Meta->Save[--ctx->Meta->SaveStackDepth]; const GLbitfield state = save->SavedState; if (state & META_ALPHA_TEST) { @@ -1398,6 +1406,7 @@ _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers) struct vertex verts[4]; /* save all state but scissor, pixel pack/unpack */ GLbitfield metaSave = META_ALL - META_SCISSOR - META_PIXEL_STORE; + const GLuint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1; if (buffers & BUFFER_BITS_COLOR) { /* if clearing color buffers, don't save/restore colormask */ @@ -1453,7 +1462,7 @@ _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers) _mesa_StencilOpSeparate(GL_FRONT_AND_BACK, GL_REPLACE, GL_REPLACE, GL_REPLACE); _mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS, - ctx->Stencil.Clear & 0x7fffffff, + ctx->Stencil.Clear & stencilMax, ctx->Stencil.WriteMask[0]); } else { @@ -2593,7 +2602,6 @@ copy_tex_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, { struct gl_texture_object *texObj; struct gl_texture_image *texImage; - GLsizei postConvWidth = width, postConvHeight = height; GLenum format, type; GLint bpp; void *buf; @@ -2601,6 +2609,7 @@ copy_tex_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, texObj = _mesa_get_current_tex_object(ctx, target); texImage = _mesa_get_tex_image(ctx, texObj, target, level); + /* Choose format/type for temporary image buffer */ format = _mesa_base_tex_format(ctx, internalFormat); type = get_temp_image_type(ctx, format); bpp = _mesa_bytes_per_pixel(format, type); @@ -2632,12 +2641,8 @@ copy_tex_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, ctx->Driver.FreeTexImageData(ctx, texImage); } - _mesa_init_teximage_fields(ctx, target, texImage, - postConvWidth, postConvHeight, 1, - border, internalFormat); - - _mesa_choose_texture_format(ctx, texObj, texImage, target, level, - internalFormat, GL_NONE, GL_NONE); + /* The texture's format was already chosen in _mesa_CopyTexImage() */ + ASSERT(texImage->TexFormat != MESA_FORMAT_NONE); /* * Store texture data (with pixel transfer ops) @@ -2690,7 +2695,8 @@ _mesa_meta_CopyTexImage2D(struct gl_context *ctx, GLenum target, GLint level, * Have to be careful with locking and meta state for pixel transfer. */ static void -copy_tex_sub_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, +copy_tex_sub_image(struct gl_context *ctx, + GLuint dims, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height) @@ -2704,6 +2710,7 @@ copy_tex_sub_image(struct gl_context *ctx, GLuint dims, GLenum target, GLint lev texObj = _mesa_get_current_tex_object(ctx, target); texImage = _mesa_select_tex_image(ctx, texObj, target, level); + /* Choose format/type for temporary image buffer */ format = _mesa_get_format_base_format(texImage->TexFormat); type = get_temp_image_type(ctx, format); bpp = _mesa_bytes_per_pixel(format, type); |