[Bf-blender-cvs] [85c3e120499] master: Fix T66100: WorkBench Banding Issues
Jeroen Bakker
noreply at git.blender.org
Tue Aug 6 08:38:24 CEST 2019
Commit: 85c3e1204991d5ce1e89eb6201727d82eb32be50
Author: Jeroen Bakker
Date: Thu Jul 4 08:27:17 2019 +0200
Branches: master
https://developer.blender.org/rB85c3e1204991d5ce1e89eb6201727d82eb32be50
Fix T66100: WorkBench Banding Issues
Color banding issues can appear, as result of the 8 bitdepth RGBA that
is used in the viewport.
This change will use `GPU_RGBA16F` for final renderings and for drawing textures. This
allows displaying HDRI textures. Vertex Colors uses `GPU_RGBA16` to resolve
color banding issues. All other modes use `GPU_RGBA8` to reduce
bandwidth and gpu memory.
Reviewed By: fclem, brecht
Differential Revision: https://developer.blender.org/D5179
===================================================================
M source/blender/draw/engines/workbench/workbench_deferred.c
M source/blender/draw/engines/workbench/workbench_effect_taa.c
M source/blender/draw/engines/workbench/workbench_private.h
M source/blender/makesdna/DNA_userdef_types.h
===================================================================
diff --git a/source/blender/draw/engines/workbench/workbench_deferred.c b/source/blender/draw/engines/workbench/workbench_deferred.c
index 735a0dcf7a0..add49462de1 100644
--- a/source/blender/draw/engines/workbench/workbench_deferred.c
+++ b/source/blender/draw/engines/workbench/workbench_deferred.c
@@ -475,7 +475,7 @@ void workbench_deferred_engine_init(WORKBENCH_Data *vedata)
const eGPUTextureFormat nor_tex_format = NORMAL_ENCODING_ENABLED() ? GPU_RG16 : GPU_RGBA32F;
const eGPUTextureFormat comp_tex_format = DRW_state_is_image_render() ? GPU_RGBA16F :
GPU_R11F_G11F_B10F;
- const eGPUTextureFormat col_tex_format = DRW_state_is_image_render() ? GPU_RGBA16F : GPU_RGBA8;
+ const eGPUTextureFormat col_tex_format = workbench_color_texture_format(wpd);
const eGPUTextureFormat id_tex_format = OBJECT_ID_PASS_ENABLED(wpd) ? GPU_R32UI : GPU_R8;
e_data.object_id_tx = NULL;
diff --git a/source/blender/draw/engines/workbench/workbench_effect_taa.c b/source/blender/draw/engines/workbench/workbench_effect_taa.c
index 88f1f30941a..06442060623 100644
--- a/source/blender/draw/engines/workbench/workbench_effect_taa.c
+++ b/source/blender/draw/engines/workbench/workbench_effect_taa.c
@@ -170,10 +170,10 @@ DRWPass *workbench_taa_create_pass(WORKBENCH_Data *vedata, GPUTexture **color_bu
WORKBENCH_TextureList *txl = vedata->txl;
WORKBENCH_EffectInfo *effect_info = stl->effects;
WORKBENCH_FramebufferList *fbl = vedata->fbl;
+ const WORKBENCH_PrivateData *wpd = stl->g_data;
{
- const eGPUTextureFormat hist_buffer_format = DRW_state_is_image_render() ? GPU_RGBA16F :
- GPU_RGBA8;
+ const eGPUTextureFormat hist_buffer_format = workbench_color_texture_format(wpd);
DRW_texture_ensure_fullscreen_2d(&txl->history_buffer_tx, hist_buffer_format, 0);
DRW_texture_ensure_fullscreen_2d(&txl->depth_buffer_tx, GPU_DEPTH24_STENCIL8, 0);
}
diff --git a/source/blender/draw/engines/workbench/workbench_private.h b/source/blender/draw/engines/workbench/workbench_private.h
index 17144c4dc10..cb9a97878e2 100644
--- a/source/blender/draw/engines/workbench/workbench_private.h
+++ b/source/blender/draw/engines/workbench/workbench_private.h
@@ -381,6 +381,30 @@ BLI_INLINE bool workbench_is_matdata_pass_enabled(WORKBENCH_PrivateData *wpd)
workbench_is_in_texture_paint_mode();
}
+/**
+ * Get the default texture format to be used by the color and history buffers.
+ *
+ * Use GPU_RGBA16F for final renderings and for drawing textures. This
+ * allows displaying HDRI textures. Vertex Colors uses GPU_RGBA16 to resolve
+ * color banding issues (T66100). All other modes use GPU_RGBA8 to reduce
+ * bandwidth and gpu memory.
+ */
+BLI_INLINE const eGPUTextureFormat workbench_color_texture_format(const WORKBENCH_PrivateData *wpd)
+{
+ eGPUTextureFormat result;
+ if (DRW_state_is_image_render() || workbench_is_in_texture_paint_mode() ||
+ TEXTURE_DRAWING_ENABLED(wpd)) {
+ result = GPU_RGBA16F;
+ }
+ else if (VERTEX_COLORS_ENABLED(wpd)) {
+ result = GPU_RGBA16;
+ }
+ else {
+ result = GPU_RGBA8;
+ }
+ return result;
+}
+
/* workbench_deferred.c */
void workbench_deferred_engine_init(WORKBENCH_Data *vedata);
void workbench_deferred_engine_free(void);
diff --git a/source/blender/makesdna/DNA_userdef_types.h b/source/blender/makesdna/DNA_userdef_types.h
index ad3cbaeea46..f8ee29c94cc 100644
--- a/source/blender/makesdna/DNA_userdef_types.h
+++ b/source/blender/makesdna/DNA_userdef_types.h
@@ -960,6 +960,7 @@ typedef enum eUserpref_UI_Flag2 {
USER_UIFLAG2_UNUSED_3 = (1 << 3), /* dirty */
} eUserpref_UI_Flag2;
+/** #UserDef.gpu_flag */
typedef enum eUserpref_GPU_Flag {
USER_GPU_FLAG_NO_DEPT_PICK = (1 << 0),
USER_GPU_FLAG_NO_EDIT_MODE_SMOOTH_WIRE = (1 << 1),
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