diff options
| author | Alan Hourihane <alanh@vmware.com> | 2009-01-15 11:51:39 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@vmware.com> | 2009-01-15 11:51:39 +0000 |
| commit | 263b96e160606975285154c4b8b610fcb8f4c930 (patch) | |
| tree | 450c9688e0c9a1cd59f1bc18e30e1b1093607b60 | |
| parent | 938f1e98043cc6c9cb6f204d022aef76c03bc210 (diff) | |
mesa: check frambuffer complete status before rendering
| -rw-r--r-- | src/mesa/main/api_validate.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c index bbc5933ab9..5c8955d7c8 100644 --- a/src/mesa/main/api_validate.c +++ b/src/mesa/main/api_validate.c @@ -78,6 +78,23 @@ max_buffer_index(GLcontext *ctx, GLuint count, GLenum type, return max; } +static GLboolean +check_valid_to_render(GLcontext *ctx, char *function) +{ + if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { + _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, + "glDraw%s(incomplete framebuffer)", function); + return GL_FALSE; + } + + /* Always need vertex positions, unless a vertex program is in use */ + if (!ctx->VertexProgram._Current && + !ctx->Array.ArrayObj->Vertex.Enabled && + !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + return GL_FALSE; + + return GL_TRUE; +} GLboolean _mesa_validate_DrawElements(GLcontext *ctx, @@ -108,10 +125,7 @@ _mesa_validate_DrawElements(GLcontext *ctx, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "Elements")) return GL_FALSE; /* Vertex buffer object tests */ @@ -161,7 +175,6 @@ _mesa_validate_DrawElements(GLcontext *ctx, return GL_TRUE; } - GLboolean _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, GLuint start, GLuint end, @@ -196,10 +209,7 @@ _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "RangeElements")) return GL_FALSE; /* Vertex buffer object tests */ @@ -267,10 +277,7 @@ _mesa_validate_DrawArrays(GLcontext *ctx, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "Arrays")) return GL_FALSE; if (ctx->Const.CheckArrayBounds) { |