diff options
Diffstat (limited to 'video.cpp')
| -rw-r--r-- | video.cpp | 80 |
1 files changed, 65 insertions, 15 deletions
@@ -277,6 +277,35 @@ static VkFormat get_vk_format(Texture_Format fmt) { return VK_FORMAT_UNDEFINED; } +static VkBlendFactor get_vk_blend_factor(Blend_Factor mode) { + switch (mode) { + case Blend_Factor::zero: return VK_BLEND_FACTOR_ZERO; + case Blend_Factor::one: return VK_BLEND_FACTOR_ONE; + case Blend_Factor::src_colour: return VK_BLEND_FACTOR_SRC_COLOR; + case Blend_Factor::inv_src_colour: return VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR; + case Blend_Factor::dst_colour: return VK_BLEND_FACTOR_DST_COLOR; + case Blend_Factor::inv_dst_colour: return VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR; + case Blend_Factor::src_alpha: return VK_BLEND_FACTOR_SRC_ALPHA; + case Blend_Factor::inv_src_alpha: return VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + case Blend_Factor::dst_alpha: return VK_BLEND_FACTOR_DST_ALPHA; + case Blend_Factor::inv_dst_alpha: return VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA; + } + assert(0); + return VK_BLEND_FACTOR_ONE; +} + +static VkBlendOp get_vk_blend_op(Blend_Mode mode) { + switch (mode) { + case Blend_Mode::add: return VK_BLEND_OP_ADD; + case Blend_Mode::subtract: return VK_BLEND_OP_SUBTRACT; + case Blend_Mode::reverse_subtract: return VK_BLEND_OP_SUBTRACT; + case Blend_Mode::min: return VK_BLEND_OP_MIN; + case Blend_Mode::max: return VK_BLEND_OP_MAX; + } + assert(0); + return VK_BLEND_OP_ADD; +} + static VkImageUsageFlags get_texture_usage(int flags) { VkImageUsageFlags f = 0; if (flags & Texture_Flags::sampleable) @@ -734,6 +763,7 @@ struct Pipeline_Vk { Arena& scope, Device_Vk* dev, VkGraphicsPipelineCreateInfo& info, + const Render_Pass& rp, const Pipeline& desc ); void init_layout( @@ -2621,6 +2651,7 @@ void Pipeline_Vk::init_blending( Arena& scope, Device_Vk* dev, VkGraphicsPipelineCreateInfo& info, + const Render_Pass& rp, const Pipeline& desc ) { VkPipelineColorBlendStateCreateInfo& bi = @@ -2628,26 +2659,45 @@ void Pipeline_Vk::init_blending( &scope, sizeof bi ); - VkPipelineColorBlendAttachmentState& abs = - *(VkPipelineColorBlendAttachmentState*)arena_alloc( - &scope, - sizeof abs - ); + VkPipelineColorBlendAttachmentState* abs; (void)dev; (void)desc; zero(&bi, sizeof bi); - zero(&abs, sizeof abs); - abs.colorWriteMask = - VK_COLOR_COMPONENT_R_BIT | - VK_COLOR_COMPONENT_G_BIT | - VK_COLOR_COMPONENT_B_BIT | - VK_COLOR_COMPONENT_A_BIT; - abs.blendEnable = VK_FALSE; + if (rp.colour_count) { + int i, c = rp.colour_count; + abs = + (VkPipelineColorBlendAttachmentState*)arena_alloc( + &scope, + sizeof abs * c + ); + zero(abs, sizeof *abs); + for (i = 0; i < c; i++) { + auto& ab = abs[i]; + ab.colorWriteMask = + VK_COLOR_COMPONENT_R_BIT | + VK_COLOR_COMPONENT_G_BIT | + VK_COLOR_COMPONENT_B_BIT | + VK_COLOR_COMPONENT_A_BIT; + ab.blendEnable = desc.blend_enable; + if (desc.blend_enable) { + ab.srcColorBlendFactor = + get_vk_blend_factor(desc.blend_src); + ab.dstColorBlendFactor = + get_vk_blend_factor(desc.blend_dst); + ab.srcAlphaBlendFactor = + get_vk_blend_factor(desc.blend_src_alpha); + ab.dstAlphaBlendFactor = + get_vk_blend_factor(desc.blend_dst_alpha); + ab.colorBlendOp = get_vk_blend_op(desc.blend_mode); + ab.alphaBlendOp = get_vk_blend_op(desc.blend_mode_alpha); + } + } + } bi.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; bi.flags = 0; bi.logicOpEnable = VK_FALSE; - bi.attachmentCount = 1; - bi.pAttachments = &abs; + bi.attachmentCount = rp.colour_count; + bi.pAttachments = abs; info.pColorBlendState = &bi; } @@ -2764,7 +2814,7 @@ void Pipeline_Vk::init(Device_Vk* dev, const Pso_Key& key) { init_rasterisation(scope, dev, info, desc); init_msaa(scope, dev, info, desc); init_depthstencil(scope, dev, info, desc); - init_blending(scope, dev, info, desc); + init_blending(scope, dev, info, key.rpo.rpo, desc); info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; info.flags = 0; info.renderPass = dev->get_rpo(key.rpo).rpo; |