Commit: 2257d149cca4600dfeda8d86943cf18a4e8e720a
Author: Dalai Felinto
Date: Tue Sep 29 13:41:27 2015 -0300
Branches: framebuffer
https://developer.blender.org/rB2257d149cca4600dfeda8d86943cf18a4e8e720a
GPU Extensions: GPU_offscreen_draw()
===================================================================
M source/blender/gpu/CMakeLists.txt
M source/blender/gpu/GPU_extensions.h
M source/blender/gpu/intern/gpu_extensions.c
===================================================================
diff --git a/source/blender/gpu/CMakeLists.txt
b/source/blender/gpu/CMakeLists.txt
index 328623f..3cde0db 100644
--- a/source/blender/gpu/CMakeLists.txt
+++ b/source/blender/gpu/CMakeLists.txt
@@ -28,6 +28,7 @@ set(INC
../blenkernel
../blenlib
../bmesh
+ ../editors/include
../imbuf
../makesdna
../makesrna
diff --git a/source/blender/gpu/GPU_extensions.h
b/source/blender/gpu/GPU_extensions.h
index 35b576a..b4aad45 100644
--- a/source/blender/gpu/GPU_extensions.h
+++ b/source/blender/gpu/GPU_extensions.h
@@ -36,6 +36,7 @@
extern "C" {
#endif
+struct bContext;
struct Image;
struct ImageUser;
struct PreviewImage;
@@ -182,6 +183,7 @@ void GPU_framebuffer_blur(GPUFrameBuffer *fb, GPUTexture
*tex, GPUFrameBuffer *b
GPUOffScreen *GPU_offscreen_create(int width, int height, char err_out[256]);
void GPU_offscreen_free(GPUOffScreen *ofs);
void GPU_offscreen_bind(GPUOffScreen *ofs, bool save);
+void GPU_offscreen_draw(GPUOffScreen *ofs, struct bContext *C, float
projection_matrix[4][4], float modelview_matrix[4][4]);
void GPU_offscreen_unbind(GPUOffScreen *ofs, bool restore);
void GPU_offscreen_read_pixels(GPUOffScreen *ofs, int type, void *pixels);
int GPU_offscreen_width(const GPUOffScreen *ofs);
diff --git a/source/blender/gpu/intern/gpu_extensions.c
b/source/blender/gpu/intern/gpu_extensions.c
index 762c6ea..cfdf6ca 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -42,6 +42,7 @@
#include "BLI_math_base.h"
#include "BLI_math_vector.h"
+#include "BKE_context.h"
#include "BKE_global.h"
#include "GPU_glew.h"
@@ -53,6 +54,12 @@
#include "intern/gpu_private.h"
+#include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_view3d_types.h"
+
+#include "ED_view3d.h"
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -1495,6 +1502,71 @@ int GPU_offscreen_color_object(const GPUOffScreen *ofs)
return ofs->color->bindcode;
}
+
+/* GPUOffScreen Draw*/
+
+static void gpu_offscreen_draw_setup(GPUOffScreen *ofs, GLint *r_viewport)
+{
+ glGetIntegerv(GL_VIEWPORT, r_viewport);
+ glViewport(0, 0, GPU_offscreen_width(ofs), GPU_offscreen_height(ofs));
+ GPU_offscreen_bind(ofs, true);
+}
+
+static void gpu_offscreen_draw_reset(GPUOffScreen *ofs, GLint viewport[4])
+{
+ glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
+ GPU_offscreen_unbind(ofs, true);
+}
+
+static void gpu_offscreen_draw_doit(
+ GPUOffScreen *ofs,
+ bContext *C,
+ float modelviewmat[4][4],
+ float projmat[4][4])
+{
+ View3D *v3d = CTX_wm_view3d(C);
+ Scene *scene = CTX_data_scene(C);
+ ARegion *ar = CTX_wm_region(C);
+
+ int width = GPU_offscreen_width(ofs);
+ int height = GPU_offscreen_height(ofs);
+ GPUFX *fx = GPU_fx_compositor_create();
+
+ /* full copy */
+ GPUFXSettings fx_settings = v3d->fx_settings;
+
+ ED_view3d_draw_offscreen_init(scene, v3d);
+
+ GPU_offscreen_bind(ofs, true); /* bind */
+
+ ED_view3d_draw_offscreen(
+ scene,
+ v3d,
+ ar,
+ width,
+ height,
+ projmat,
+ modelviewmat,
+ false,
+ true,
+ true,
+ ofs,
+ fx,
+ &fx_settings,
+ "");
+
+ GPU_fx_compositor_destroy(fx);
+ GPU_offscreen_unbind(ofs, true); /* unbind */
+}
+
+void GPU_offscreen_draw(GPUOffScreen *ofs, struct bContext *C, float
projection_matrix[4][4], float modelview_matrix[4][4])
+{
+ GLint viewport[4];
+ gpu_offscreen_draw_setup(ofs, viewport);
+ gpu_offscreen_draw_doit(ofs, C, projection_matrix, modelview_matrix);
+ gpu_offscreen_draw_reset(ofs, viewport);
+}
+
/* GPUShader */
struct GPUShader {
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