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DRW: Better stencil support.

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A stencil mask is now assigned to each shading group and the stencil test is defined like the depth test via the DRW_STATE_* defines.
This commit is contained in:
Clément Foucault
2017-11-13 23:33:06 +01:00
parent 93936b8643
commit 89e9f6ea79
2 changed files with 40 additions and 25 deletions
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8
source/blender/draw/intern/DRW_render.h
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@@ -173,6 +173,7 @@ typedef enum {
DRW_TEX_R_32,
DRW_TEX_DEPTH_16,
DRW_TEX_DEPTH_24,
DRW_TEX_DEPTH_24_STENCIL_8,
DRW_TEX_DEPTH_32,
} DRWTextureFormat;
@@ -289,10 +290,8 @@ typedef enum {
DRW_STATE_TRANSMISSION = (1 << 17),
DRW_STATE_CLIP_PLANES = (1 << 18),
DRW_STATE_WRITE_STENCIL_SELECT = (1 << 27),
DRW_STATE_WRITE_STENCIL_ACTIVE = (1 << 28),
DRW_STATE_TEST_STENCIL_SELECT = (1 << 29),
DRW_STATE_TEST_STENCIL_ACTIVE = (1 << 30),
DRW_STATE_WRITE_STENCIL = (1 << 27),
DRW_STATE_STENCIL_EQUAL = (1 << 28),
} DRWState;
#define DRW_STATE_DEFAULT (DRW_STATE_WRITE_DEPTH | DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_LESS)
@@ -335,6 +334,7 @@ void DRW_shgroup_set_instance_count(DRWShadingGroup *shgroup, int count);
void DRW_shgroup_state_enable(DRWShadingGroup *shgroup, DRWState state);
void DRW_shgroup_state_disable(DRWShadingGroup *shgroup, DRWState state);
void DRW_shgroup_stencil_mask(DRWShadingGroup *shgroup, unsigned int mask);
void DRW_shgroup_attrib_float(DRWShadingGroup *shgroup, const char *name, int size);
void DRW_shgroup_uniform_texture(DRWShadingGroup *shgroup, const char *name, const struct GPUTexture *tex);