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author | marha <marha@users.sourceforge.net> | 2015-02-22 14:31:16 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2015-02-22 14:31:16 +0100 |
commit | f1c2db43dcf35d2cf4715390bd2391c28e42a8c2 (patch) | |
tree | 46b537271afe0f6534231b1bd4cc4f91ae1fb446 /mesalib/src/mesa/main/buffers.c | |
parent | 5e5a48ff8cd08f123601cd0625ca62a86675aac9 (diff) | |
download | vcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.tar.gz vcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.tar.bz2 vcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.zip |
xwininfo fontconfig libX11 libXdmcp libfontenc libxcb libxcb/xcb-proto mesalib xserver xkeyboard-config mkfontscale git update 22 Feb 2015
xserver commit 3a06faf3fcdb7451125a46181f9152e8e59e9770
libxcb commit e3ec1f74637237ce500dfd0ca59f2e422da4e019
libxcb/xcb-proto commit 4c550465934164aab2449a125f75f4ca07816233
xkeyboard-config commit 26f344c93f8c6141e9233eb68088ba4fd56bc9ef
libX11 commit c8e19b393defd53f046ddc2da3a16881221b3c34
libXdmcp commit 9f4cac7656b221ce2a8f97e7bd31e5e23126d001
libfontenc commit de1843aaf76015c9d99416f3122d169fe331b849
mkfontscale commit 87d628f8eec170ec13bb9feefb1ce05aed07d1d6
xwininfo commit 0c49f8f2bd56b1e77721e81030ea948386dcdf4e
fontconfig commit d6d5adeb7940c0d0beb86489c2a1c2ce59e5c044
mesa commit 4359954d842caa2a9f8d4b50d70ecc789884b68b
Diffstat (limited to 'mesalib/src/mesa/main/buffers.c')
-rw-r--r-- | mesalib/src/mesa/main/buffers.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c index 1ee20098d..e5076e9bb 100644 --- a/mesalib/src/mesa/main/buffers.c +++ b/mesalib/src/mesa/main/buffers.c @@ -301,7 +301,7 @@ _mesa_DrawBuffer(GLenum buffer) void GLAPIENTRY _mesa_DrawBuffers(GLsizei n, const GLenum *buffers) { - GLint output; + GLuint output; GLbitfield usedBufferMask, supportedMask; GLbitfield destMask[MAX_DRAW_BUFFERS]; GET_CURRENT_CONTEXT(ctx); @@ -326,8 +326,9 @@ _mesa_DrawBuffers(GLsizei n, const GLenum *buffers) /* From the ES 3.0 specification, page 180: * "If the GL is bound to the default framebuffer, then n must be 1 * and the constant must be BACK or NONE." + * (same restriction applies with GL_EXT_draw_buffers specification) */ - if (_mesa_is_gles3(ctx) && _mesa_is_winsys_fbo(ctx->DrawBuffer) && + if (ctx->API == API_OPENGLES2 && _mesa_is_winsys_fbo(ctx->DrawBuffer) && (n != 1 || (buffers[0] != GL_NONE && buffers[0] != GL_BACK))) { _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffers(buffer)"); return; @@ -335,6 +336,20 @@ _mesa_DrawBuffers(GLsizei n, const GLenum *buffers) /* complicated error checking... */ for (output = 0; output < n; output++) { + /* Section 4.2 (Whole Framebuffer Operations) of the OpenGL 3.0 + * specification says: + * + * "Each buffer listed in bufs must be BACK, NONE, or one of the values + * from table 4.3 (NONE, COLOR_ATTACHMENTi)" + */ + if (_mesa_is_gles3(ctx) && buffers[output] != GL_NONE && + buffers[output] != GL_BACK && + (buffers[output] < GL_COLOR_ATTACHMENT0 || + buffers[output] >= GL_COLOR_ATTACHMENT0 + ctx->Const.MaxColorAttachments)) { + _mesa_error(ctx, GL_INVALID_ENUM, "glDrawBuffers(buffer)"); + return; + } + if (buffers[output] == GL_NONE) { destMask[output] = 0x0; } @@ -399,8 +414,9 @@ _mesa_DrawBuffers(GLsizei n, const GLenum *buffers) /* ES 3.0 is even more restrictive. From the ES 3.0 spec, page 180: * "If the GL is bound to a framebuffer object, the ith buffer listed * in bufs must be COLOR_ATTACHMENTi or NONE. [...] INVALID_OPERATION." + * (same restriction applies with GL_EXT_draw_buffers specification) */ - if (_mesa_is_gles3(ctx) && _mesa_is_user_fbo(ctx->DrawBuffer) && + if (ctx->API == API_OPENGLES2 && _mesa_is_user_fbo(ctx->DrawBuffer) && buffers[output] != GL_NONE && buffers[output] != GL_COLOR_ATTACHMENT0 + output) { _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffers(buffer)"); |