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intel: save/restore GL matrix mode in intel_meta_set_passthrough_transform(), intel_meta_restore_transform()

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(cherry picked from master, commit 723648f2ee)
This commit is contained in:
Brian Paul 2009-01-28 16:55:16 -07:00 • committed by Alan Hourihane
parent e6df67bf66
commit 2fd9c2ebd6
2 changed files with 4 additions and 0 deletions
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1
src/mesa/drivers/dri/intel/intel_context.h
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@ -168,6 +168,7 @@ struct intel_context
GLint saved_vp_x, saved_vp_y;
GLsizei saved_vp_width, saved_vp_height;
GLenum saved_matrix_mode;
} meta;
GLint refcount;

3
src/mesa/drivers/dri/intel/intel_pixel.c
View file

@ -181,6 +181,7 @@ intel_meta_set_passthrough_transform(struct intel_context *intel)
intel->meta.saved_vp_y = ctx->Viewport.Y;
intel->meta.saved_vp_width = ctx->Viewport.Width;
intel->meta.saved_vp_height = ctx->Viewport.Height;
intel->meta.saved_matrix_mode = ctx->Transform.MatrixMode;
_mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height);
@ -202,6 +203,8 @@ intel_meta_restore_transform(struct intel_context *intel)
_mesa_MatrixMode(GL_MODELVIEW);
_mesa_PopMatrix();
_mesa_MatrixMode(intel->meta.saved_matrix_mode);
_mesa_Viewport(intel->meta.saved_vp_x, intel->meta.saved_vp_y,
intel->meta.saved_vp_width, intel->meta.saved_vp_height);
}