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Preserve the CoglDrawFlags when drawing a wireframe
Previously the CoglDrawFlags passed to _cogl_framebuffer_draw_indexed_attributes when drawing is redirected to draw a wireframe are overriden to avoid validating the pipeline, flushing the framebuffer state and flushing the journal. This ends up breaking scenes that only contain models drawn from attributes in the application because nothing will flush the matrices. It seems to make more sense to just use whatever draw flags were passed from the original draw command so that it will flush the matrices if the caller was expecting it. One problem with this is that if the wireframe causes the journal to be flushed then it will already have temporarily disabled the wireframe debug flag so the journal will not be drawn with wireframes. To fix this the patch adds a CoglDrawFlag to disable the wireframe and uses that instead of disabling the debug flag. Reviewed-by: Robert Bragg <robert@linux.intel.com> (cherry picked from commit 283f6733e63ba65d9921f45868edaabbd9420a61)
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@ -77,7 +77,10 @@ typedef enum
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blending. However when drawing from the journal we know what the
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contents of the color array is so we can override this by passing
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this flag. */
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COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE = 1 << 4
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COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE = 1 << 4,
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/* This forcibly disables the debug option to divert all drawing to
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* wireframes */
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COGL_DRAW_SKIP_DEBUG_WIREFRAME = 1 << 5
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} CoglDrawFlags;
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/* During CoglContext initialization we register the "cogl_color_in"
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@ -3245,7 +3245,8 @@ draw_wireframe (CoglContext *ctx,
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int n_vertices,
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CoglAttribute **attributes,
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int n_attributes,
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CoglIndices *indices)
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CoglIndices *indices,
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CoglDrawFlags flags)
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{
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CoglIndices *wire_indices;
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CoglPipeline *wire_pipeline;
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@ -3294,7 +3295,7 @@ draw_wireframe (CoglContext *ctx,
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}
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/* temporarily disable the wireframe to avoid recursion! */
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COGL_DEBUG_CLEAR_FLAG (COGL_DEBUG_WIREFRAME);
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flags |= COGL_DRAW_SKIP_DEBUG_WIREFRAME;
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_cogl_framebuffer_draw_indexed_attributes (
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framebuffer,
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wire_pipeline,
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@ -3304,10 +3305,7 @@ draw_wireframe (CoglContext *ctx,
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wire_indices,
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attributes,
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n_attributes,
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COGL_DRAW_SKIP_JOURNAL_FLUSH |
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COGL_DRAW_SKIP_PIPELINE_VALIDATION |
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COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH |
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COGL_DRAW_SKIP_LEGACY_STATE);
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flags);
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COGL_DEBUG_SET_FLAG (COGL_DEBUG_WIREFRAME);
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cogl_object_unref (wire_indices);
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@ -3328,11 +3326,13 @@ _cogl_framebuffer_draw_attributes (CoglFramebuffer *framebuffer,
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CoglDrawFlags flags)
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{
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#ifdef COGL_ENABLE_DEBUG
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME)))
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME) &&
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(flags & COGL_DRAW_SKIP_DEBUG_WIREFRAME) == 0))
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draw_wireframe (framebuffer->context,
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framebuffer, pipeline,
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mode, first_vertex, n_vertices,
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attributes, n_attributes, NULL);
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attributes, n_attributes, NULL,
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flags);
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else
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#endif
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{
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@ -3422,11 +3422,13 @@ _cogl_framebuffer_draw_indexed_attributes (CoglFramebuffer *framebuffer,
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CoglDrawFlags flags)
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{
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#ifdef COGL_ENABLE_DEBUG
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME)))
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME) &&
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(flags & COGL_DRAW_SKIP_DEBUG_WIREFRAME) == 0))
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draw_wireframe (framebuffer->context,
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framebuffer, pipeline,
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mode, first_vertex, n_vertices,
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attributes, n_attributes, indices);
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attributes, n_attributes, indices,
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flags);
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else
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#endif
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{
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