diff options
Diffstat (limited to 'mesalib/src/mesa/main/texparam.c')
-rw-r--r-- | mesalib/src/mesa/main/texparam.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c index bbdbc2763..bfb2e1b9f 100644 --- a/mesalib/src/mesa/main/texparam.c +++ b/mesalib/src/mesa/main/texparam.c @@ -451,6 +451,20 @@ set_tex_parameteri(struct gl_context *ctx, } goto invalid_pname; + case GL_DEPTH_STENCIL_TEXTURE_MODE: + if (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_stencil_texturing) { + bool stencil = params[0] == GL_STENCIL_INDEX; + if (!stencil && params[0] != GL_DEPTH_COMPONENT) + goto invalid_param; + + if (texObj->StencilSampling == stencil) + return GL_FALSE; + + texObj->StencilSampling = stencil; + return GL_TRUE; + } + goto invalid_pname; + case GL_TEXTURE_CROP_RECT_OES: if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture) goto invalid_pname; @@ -707,6 +721,7 @@ _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param) case GL_TEXTURE_COMPARE_MODE_ARB: case GL_TEXTURE_COMPARE_FUNC_ARB: case GL_DEPTH_TEXTURE_MODE_ARB: + case GL_DEPTH_STENCIL_TEXTURE_MODE: case GL_TEXTURE_SRGB_DECODE_EXT: case GL_TEXTURE_CUBE_MAP_SEAMLESS: case GL_TEXTURE_SWIZZLE_R_EXT: @@ -762,6 +777,7 @@ _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params) case GL_TEXTURE_COMPARE_MODE_ARB: case GL_TEXTURE_COMPARE_FUNC_ARB: case GL_DEPTH_TEXTURE_MODE_ARB: + case GL_DEPTH_STENCIL_TEXTURE_MODE: case GL_TEXTURE_SRGB_DECODE_EXT: case GL_TEXTURE_CUBE_MAP_SEAMLESS: { @@ -1038,9 +1054,16 @@ get_tex_level_parameter_image(struct gl_context *ctx, img = _mesa_select_tex_image(ctx, texObj, target, level); if (!img || img->TexFormat == MESA_FORMAT_NONE) { - /* undefined texture image */ - if (pname == GL_TEXTURE_COMPONENTS) - *params = 1; + /* In case of undefined texture image return the default values. + * + * From OpenGL 4.0 spec, page 398: + * "The initial internal format of a texel array is RGBA + * instead of 1. TEXTURE_COMPONENTS is deprecated; always + * use TEXTURE_INTERNAL_FORMAT." + */ + + if (pname == GL_TEXTURE_INTERNAL_FORMAT) + *params = GL_RGBA; else *params = 0; return; @@ -1452,6 +1475,12 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) goto invalid_pname; *params = (GLfloat) obj->DepthMode; break; + case GL_DEPTH_STENCIL_TEXTURE_MODE: + if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_stencil_texturing) + goto invalid_pname; + *params = (GLfloat) + (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT); + break; case GL_TEXTURE_LOD_BIAS: if (_mesa_is_gles(ctx)) goto invalid_pname; @@ -1666,6 +1695,12 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) goto invalid_pname; *params = (GLint) obj->DepthMode; break; + case GL_DEPTH_STENCIL_TEXTURE_MODE: + if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_stencil_texturing) + goto invalid_pname; + *params = (GLint) + (obj->StencilSampling ? GL_STENCIL_INDEX : GL_DEPTH_COMPONENT); + break; case GL_TEXTURE_LOD_BIAS: if (_mesa_is_gles(ctx)) goto invalid_pname; |