From 547113c16cbef5db7753f4835ed7b7dd72e77380 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 17 Nov 2005 02:05:42 +0000 Subject: improved error checking in error_check_format_type() --- src/mesa/main/drawpix.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'src/mesa/main/drawpix.c') diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 701ac6aa77..a95ee02097 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -43,6 +43,7 @@ error_check_format_type(GLcontext *ctx, GLenum format, GLenum type, GLboolean drawing) { const char *readDraw = drawing ? "Draw" : "Read"; + struct gl_framebuffer *fb = drawing ? ctx->DrawBuffer : ctx->ReadBuffer; if (ctx->Extensions.EXT_packed_depth_stencil && type == GL_UNSIGNED_INT_24_8_EXT @@ -86,14 +87,14 @@ error_check_format_type(GLcontext *ctx, GLenum format, GLenum type, } break; case GL_STENCIL_INDEX: - if (ctx->DrawBuffer->Visual.stencilBits == 0) { + if (fb->Visual.stencilBits == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "gl%sPixels(no stencil buffer)", readDraw); return GL_TRUE; } break; case GL_DEPTH_COMPONENT: - if (ctx->DrawBuffer->Visual.depthBits == 0) { + if (fb->Visual.depthBits == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "gl%sPixels(no depth buffer)", readDraw); return GL_TRUE; @@ -105,14 +106,13 @@ error_check_format_type(GLcontext *ctx, GLenum format, GLenum type, _mesa_error(ctx, GL_INVALID_ENUM, "gl%sPixels(type)", readDraw); return GL_TRUE; } - if (ctx->DrawBuffer->Visual.depthBits == 0 || - ctx->ReadBuffer->Visual.depthBits == 0 || - ctx->DrawBuffer->Visual.stencilBits == 0 || - ctx->ReadBuffer->Visual.stencilBits == 0) { + if (fb->Visual.depthBits == 0 || fb->Visual.stencilBits == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "gl%sPixels(no depth or stencil buffer)", readDraw); return GL_TRUE; } + ASSERT(fb->Attachment[BUFFER_DEPTH].Renderbuffer); + ASSERT(fb->Attachment[BUFFER_STENCIL].Renderbuffer); break; default: /* this should have been caught in _mesa_is_legal_format_type() */ -- cgit v1.2.3