diff options
| -rw-r--r-- | src/mesa/main/extensions.c | 1 | ||||
| -rw-r--r-- | src/mesa/main/fbobject.c | 9 | ||||
| -rw-r--r-- | src/mesa/main/texgetimage.c | 50 | ||||
| -rw-r--r-- | src/mesa/main/teximage.c | 3 |
4 files changed, 58 insertions, 5 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index 861b15006fe..3d4965cc30f 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -186,6 +186,7 @@ static const struct extension extension_table[] = { { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL, 2004 }, { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL, 2009 }, { "GL_ARB_texture_rg", o(ARB_texture_rg), GL, 2008 }, + { "GL_ARB_texture_stencil8", o(ARB_texture_stencil8), GL, 2013 }, { "GL_ARB_texture_storage", o(dummy_true), GL, 2011 }, { "GL_ARB_texture_storage_multisample", o(ARB_texture_multisample), GL, 2012 }, { "GL_ARB_texture_view", o(ARB_texture_view), GL, 2012 }, diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 8032585abdf..27cf97f1778 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -813,8 +813,10 @@ test_attachment_completeness(const struct gl_context *ctx, GLenum format, if (ctx->Extensions.ARB_depth_texture && baseFormat == GL_DEPTH_STENCIL) { /* OK */ - } - else { + } else if (ctx->Extensions.ARB_texture_stencil8 && + baseFormat == GL_STENCIL_INDEX) { + /* OK */ + } else { /* no such thing as stencil-only textures */ att_incomplete("illegal stencil texture"); att->Complete = GL_FALSE; @@ -978,7 +980,8 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx, if (!is_format_color_renderable(ctx, attFormat, texImg->InternalFormat) && - !is_legal_depth_format(ctx, f)) { + !is_legal_depth_format(ctx, f) && + f != GL_STENCIL_INDEX) { fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT; fbo_incomplete(ctx, "texture attachment incomplete", -1); return; diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c index 908bb9b1ce6..92b4d6795c6 100644 --- a/src/mesa/main/texgetimage.c +++ b/src/mesa/main/texgetimage.c @@ -175,6 +175,51 @@ get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions, } } +/** + * glGetTexImage for stencil pixels. + */ +static void +get_tex_stencil(struct gl_context *ctx, GLuint dimensions, + GLenum format, GLenum type, GLvoid *pixels, + struct gl_texture_image *texImage) +{ + const GLint width = texImage->Width; + const GLint height = texImage->Height; + const GLint depth = texImage->Depth; + GLint img, row; + + assert(format == GL_STENCIL_INDEX); + + for (img = 0; img < depth; img++) { + GLubyte *srcMap; + GLint rowstride; + + /* map src texture buffer */ + ctx->Driver.MapTextureImage(ctx, texImage, img, + 0, 0, width, height, GL_MAP_READ_BIT, + &srcMap, &rowstride); + + if (srcMap) { + for (row = 0; row < height; row++) { + const GLubyte *src = srcMap + row * rowstride; + void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, + width, height, format, type, + img, row, 0); + _mesa_unpack_ubyte_stencil_row(texImage->TexFormat, + width, + (const GLuint *) src, + dest); + } + + ctx->Driver.UnmapTextureImage(ctx, texImage, img); + } + else { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); + break; + } + } +} + /** * glGetTexImage for YCbCr pixels. @@ -684,6 +729,9 @@ _mesa_GetTexImage_sw(struct gl_context *ctx, else if (format == GL_DEPTH_STENCIL_EXT) { get_tex_depth_stencil(ctx, dimensions, format, type, pixels, texImage); } + else if (format == GL_STENCIL_INDEX) { + get_tex_stencil(ctx, dimensions, format, type, pixels, texImage); + } else if (format == GL_YCBCR_MESA) { get_tex_ycbcr(ctx, dimensions, format, type, pixels, texImage); } @@ -879,7 +927,7 @@ getteximage_error_check(struct gl_context *ctx, "glGetTex%sImage(format mismatch)", suffix); return GL_TRUE; } - else if (_mesa_is_enum_format_integer(format) != + else if (!_mesa_is_stencil_format(format) && _mesa_is_enum_format_integer(format) != _mesa_is_format_integer(texImage->TexFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTex%sImage(format mismatch)", suffix); diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 8d9d7cfc14d..d07263c59b1 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1997,7 +1997,8 @@ _mesa_legal_texture_base_format_for_target(struct gl_context *ctx, const char *caller) { if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT - || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL) { + || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL + || _mesa_base_tex_format(ctx, internalFormat) == GL_STENCIL_INDEX) { /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core * Profile spec says: * |