diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/teximage.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 3f3fcf6f84b..41de966d793 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -122,6 +122,56 @@ adjust_for_oes_float_texture(const struct gl_context *ctx, return format; } +/** + * Returns a corresponding base format for a given internal floating point + * format as specifed by OES_texture_float. + */ +static GLenum +oes_float_internal_format(const struct gl_context *ctx, + GLenum format, GLenum type) +{ + switch (type) { + case GL_FLOAT: + if (ctx->Extensions.OES_texture_float) { + switch (format) { + case GL_RGBA32F: + return GL_RGBA; + case GL_RGB32F: + return GL_RGB; + case GL_ALPHA32F_ARB: + return GL_ALPHA; + case GL_LUMINANCE32F_ARB: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA32F_ARB: + return GL_LUMINANCE_ALPHA; + default: + break; + } + } + break; + + case GL_HALF_FLOAT_OES: + if (ctx->Extensions.OES_texture_half_float) { + switch (format) { + case GL_RGBA16F: + return GL_RGBA; + case GL_RGB16F: + return GL_RGB; + case GL_ALPHA16F_ARB: + return GL_ALPHA; + case GL_LUMINANCE16F_ARB: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA16F_ARB: + return GL_LUMINANCE_ALPHA; + default: + break; + } + } + break; + } + return format; +} + /** * Install gl_texture_image in a gl_texture_object according to the target @@ -2173,6 +2223,10 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, return GL_TRUE; } + GLenum internalFormat = _mesa_is_gles(ctx) ? + oes_float_internal_format(ctx, texImage->InternalFormat, type) : + texImage->InternalFormat; + /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the * combinations of format, internalFormat, and type that can be used. * Formats and types that require additional extensions (e.g., GL_FLOAT @@ -2180,7 +2234,7 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, */ if (_mesa_is_gles(ctx) && texture_format_error_check_gles(ctx, format, type, - texImage->InternalFormat, + internalFormat, dimensions, callerName)) { return GL_TRUE; } |