From 883135f23c9fdff675e311b2a95903a8af5bdec5 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Thu, 26 Nov 2015 10:32:57 -0500 Subject: [PATCH] mesa: support GL_RED/GL_RG in ES2 contexts when driver support exists Signed-off-by: Ilia Mirkin --- src/mesa/main/glformats.c | 8 +++++++- src/mesa/main/glformats.h | 3 ++- src/mesa/main/readpix.c | 2 +- src/mesa/main/teximage.c | 2 +- 4 files changed, 11 insertions(+), 4 deletions(-) diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c index 2ed42ea..7b264eb 100644 --- a/src/mesa/main/glformats.c +++ b/src/mesa/main/glformats.c @@ -2077,12 +2077,18 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, * \return error code, or GL_NO_ERROR. */ GLenum -_mesa_es_error_check_format_and_type(GLenum format, GLenum type, +_mesa_es_error_check_format_and_type(const struct gl_context *ctx, + GLenum format, GLenum type, unsigned dimensions) { GLboolean type_valid = GL_TRUE; switch (format) { + case GL_RED: + case GL_RG: + if (!ctx->Extensions.ARB_texture_rg) + return GL_INVALID_VALUE; + /* fallthrough */ case GL_ALPHA: case GL_LUMINANCE: case GL_LUMINANCE_ALPHA: diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h index 92f4bc6..b366855 100644 --- a/src/mesa/main/glformats.h +++ b/src/mesa/main/glformats.h @@ -127,7 +127,8 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, GLenum format, GLenum type); extern GLenum -_mesa_es_error_check_format_and_type(GLenum format, GLenum type, +_mesa_es_error_check_format_and_type(const struct gl_context *ctx, + GLenum format, GLenum type, unsigned dimensions); extern GLenum diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c index 81bb912..8cdc9fe 100644 --- a/src/mesa/main/readpix.c +++ b/src/mesa/main/readpix.c @@ -1043,7 +1043,7 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, _mesa_get_color_read_type(ctx) == type) { err = GL_NO_ERROR; } else if (ctx->Version < 30) { - err = _mesa_es_error_check_format_and_type(format, type, 2); + err = _mesa_es_error_check_format_and_type(ctx, format, type, 2); if (err == GL_NO_ERROR) { if (type == GL_FLOAT || type == GL_HALF_FLOAT_OES) { err = GL_INVALID_OPERATION; diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index ac7599f..37dbe26 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1699,7 +1699,7 @@ texture_format_error_check_gles(struct gl_context *ctx, GLenum format, } } else { - err = _mesa_es_error_check_format_and_type(format, type, dimensions); + err = _mesa_es_error_check_format_and_type(ctx, format, type, dimensions); if (err != GL_NO_ERROR) { _mesa_error(ctx, err, "%s(format = %s, type = %s)", callerName, _mesa_enum_to_string(format), -- 2.4.10