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feat: Add colorWriteMask enum to blend state #132

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Merged
hoffstadt merged 1 commit into from
Jan 5, 2026
Merged

feat: Add colorWriteMask enum to blend state #132

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3 changes: 2 additions & 1 deletion examples/example_gfx_0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,8 @@ pl_app_load(plApiRegistryI* ptApiRegistry, plAppData* ptAppData)
},
.atBlendStates = {
{
.bBlendEnabled = false
.bBlendEnabled = false,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL
}
},
.tRenderPassLayout = gptStarter->get_render_pass_layout(),
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3 changes: 2 additions & 1 deletion examples/example_gfx_1.c
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Expand Up @@ -296,7 +296,8 @@ pl_app_load(plApiRegistryI* ptApiRegistry, plAppData* ptAppData)
},
.atBlendStates = {
{
.bBlendEnabled = false
.bBlendEnabled = false,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL
}
},
.tRenderPassLayout = gptStarter->get_render_pass_layout(),
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3 changes: 2 additions & 1 deletion examples/example_gfx_2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -439,7 +439,8 @@ pl_app_load(plApiRegistryI* ptApiRegistry, plAppData* ptAppData)
},
.atBlendStates = {
{
.bBlendEnabled = false
.bBlendEnabled = false,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL
}
},
.tRenderPassLayout = gptStarter->get_render_pass_layout(),
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10 changes: 7 additions & 3 deletions extensions/pl_draw_backend_ext.c
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Expand Up @@ -467,6 +467,7 @@ pl__get_3d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, p
.atBlendStates = {
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand Down Expand Up @@ -513,6 +514,7 @@ pl__get_3d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, p
.atBlendStates = {
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand Down Expand Up @@ -581,6 +583,7 @@ pl__get_2d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, u
.atBlendStates = {
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -598,7 +601,7 @@ pl__get_2d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, u
}
},
{
.atTextureBindings = {
.atTextureBindings = {
{.uSlot = 0, .tStages = PL_SHADER_STAGE_FRAGMENT, .tType = PL_TEXTURE_BINDING_TYPE_SAMPLED}
}
}
Expand Down Expand Up @@ -636,6 +639,7 @@ pl__get_2d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, u
.atBlendStates = {
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -653,13 +657,13 @@ pl__get_2d_pipeline(plRenderPassHandle tRenderPass, uint32_t uMSAASampleCount, u
}
},
{
.atTextureBindings = {
.atTextureBindings = {
{.uSlot = 0, .tStages = PL_SHADER_STAGE_FRAGMENT, .tType = PL_TEXTURE_BINDING_TYPE_SAMPLED}
}
}
},
.tMSAASampleCount = uMSAASampleCount
};
};
ptEntry->tSecondaryPipeline = gptGfx->create_shader(ptDevice, &tSecondaryShaderDesc);
pl_temp_allocator_reset(&gptDrawBackendCtx->tTempAllocator);
return ptEntry;
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10 changes: 8 additions & 2 deletions extensions/pl_graphics_ext.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1098,13 +1098,15 @@ pl_graphics_get_blend_state(plBlendMode tBlendMode)
static const plBlendState atStateMap[PL_BLEND_MODE_COUNT] =
{
// PL_BLEND_MODE_OPAQUE
{
.bBlendEnabled = false,
{
.bBlendEnabled = false,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
},

// PL_BLEND_MODE_ALPHA
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -1116,6 +1118,7 @@ pl_graphics_get_blend_state(plBlendMode tBlendMode)
// PL_BLEND_MODE_PREMULTIPLY
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_ONE,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -1127,6 +1130,7 @@ pl_graphics_get_blend_state(plBlendMode tBlendMode)
// PL_BLEND_MODE_ADDITIVE
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_SRC_ALPHA,
.tDstColorFactor = PL_BLEND_FACTOR_ONE,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -1138,6 +1142,7 @@ pl_graphics_get_blend_state(plBlendMode tBlendMode)
// PL_BLEND_MODE_MULTIPLY
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_DST_COLOR,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
Expand All @@ -1149,6 +1154,7 @@ pl_graphics_get_blend_state(plBlendMode tBlendMode)
// PL_BLEND_MODE_CLIP_MASK
{
.bBlendEnabled = true,
.uColorWriteMask = PL_COLOR_WRITE_MASK_ALL,
.tSrcColorFactor = PL_BLEND_FACTOR_ZERO,
.tDstColorFactor = PL_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
.tColorOp = PL_BLEND_OP_ADD,
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11 changes: 11 additions & 0 deletions extensions/pl_graphics_ext.h
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Original file line number Diff line number Diff line change
Expand Up @@ -884,6 +884,7 @@ typedef struct _plComputeShader
typedef struct _plBlendState
{
bool bBlendEnabled;
uint8_t uColorWriteMask; // PL_COLOR_WRITE_MASK_* bits
plBlendOp tColorOp;
plBlendOp tAlphaOp;
plBlendFactor tSrcColorFactor;
Expand Down Expand Up @@ -1779,6 +1780,16 @@ enum _plFormat
PL_FORMAT_COUNT
};

enum _plColorWriteMask
{
PL_COLOR_WRITE_MASK_R = 1 << 0,
PL_COLOR_WRITE_MASK_G = 1 << 1,
PL_COLOR_WRITE_MASK_B = 1 << 2,
PL_COLOR_WRITE_MASK_A = 1 << 3,
PL_COLOR_WRITE_MASK_ALL = 0xF,
PL_COLOR_WRITE_MASK_NONE = 0
};

enum _plBlendMode
{
PL_BLEND_MODE_OPAQUE,
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7 changes: 6 additions & 1 deletion extensions/pl_graphics_metal.m
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Expand Up @@ -1615,7 +1615,12 @@
{
pipelineDescriptor.colorAttachments[uCurrentColorAttachment].pixelFormat = pl__metal_format(ptLayout->tDesc.atRenderTargets[uTargetIndex].tFormat);
pipelineDescriptor.colorAttachments[uCurrentColorAttachment].blendingEnabled = ptDescription->atBlendStates[uCurrentColorAttachment].bBlendEnabled ? YES : NO;

pipelineDescriptor.colorAttachments[uCurrentColorAttachment].writeMask =
(ptDescription->atBlendStates[uCurrentColorAttachment].uColorWriteMask & PL_COLOR_WRITE_MASK_R ? MTLColorWriteMaskRed : 0) |
(ptDescription->atBlendStates[uCurrentColorAttachment].uColorWriteMask & PL_COLOR_WRITE_MASK_G ? MTLColorWriteMaskGreen : 0) |
(ptDescription->atBlendStates[uCurrentColorAttachment].uColorWriteMask & PL_COLOR_WRITE_MASK_B ? MTLColorWriteMaskBlue : 0) |
(ptDescription->atBlendStates[uCurrentColorAttachment].uColorWriteMask & PL_COLOR_WRITE_MASK_A ? MTLColorWriteMaskAlpha : 0);

if(ptDescription->atBlendStates[uCurrentColorAttachment].bBlendEnabled)
{
pipelineDescriptor.colorAttachments[uCurrentColorAttachment].sourceRGBBlendFactor = pl__metal_blend_factor(ptDescription->atBlendStates[uCurrentColorAttachment].tSrcColorFactor);
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6 changes: 5 additions & 1 deletion extensions/pl_graphics_vulkan.c
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Expand Up @@ -1824,7 +1824,11 @@ pl_create_shader(plDevice* ptDevice, const plShaderDesc* ptDescription)
VkPipelineColorBlendAttachmentState atColorBlendAttachment[PL_MAX_RENDER_TARGETS] = {0};
for (uint32_t i = 0; i < PL_MAX_RENDER_TARGETS; i++)
{
atColorBlendAttachment[i].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
atColorBlendAttachment[i].colorWriteMask =
(ptDescription->atBlendStates[i].uColorWriteMask & PL_COLOR_WRITE_MASK_R ? VK_COLOR_COMPONENT_R_BIT : 0) |
(ptDescription->atBlendStates[i].uColorWriteMask & PL_COLOR_WRITE_MASK_G ? VK_COLOR_COMPONENT_G_BIT : 0) |
(ptDescription->atBlendStates[i].uColorWriteMask & PL_COLOR_WRITE_MASK_B ? VK_COLOR_COMPONENT_B_BIT : 0) |
(ptDescription->atBlendStates[i].uColorWriteMask & PL_COLOR_WRITE_MASK_A ? VK_COLOR_COMPONENT_A_BIT : 0);
atColorBlendAttachment[i].blendEnable = ptDescription->atBlendStates[i].bBlendEnabled ? VK_TRUE : VK_FALSE;
if (ptDescription->atBlendStates[i].bBlendEnabled)
{
Expand Down
3 changes: 2 additions & 1 deletion extensions/pl_shader_variant_ext.c
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Expand Up @@ -712,10 +712,11 @@ pl_shader_tool_load_manifest(const char* pcPath)
{
plJsonObject* ptBlendState = pl_json_member_by_index(ptBlendStates, i);
tShaderDesc.atBlendStates[i].bBlendEnabled = pl_json_bool_member(ptBlendState, "bBlendEnabled", false);
tShaderDesc.atBlendStates[i].uColorWriteMask = (uint8_t)pl_json_uint_member(ptBlendState, "uColorWriteMask", PL_COLOR_WRITE_MASK_ALL);

char acBlendOp[64] = {0};
char* pcBlendEnum = NULL;

pcBlendEnum = pl_json_string_member(ptBlendState, "tSrcColorFactor", acBlendOp, 64);
tShaderDesc.atBlendStates[i].tSrcColorFactor = pl__shader_tools_get_blend_factor(pcBlendEnum);

Expand Down
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