From eb6764c4a73006eee32e19e3afc6eab100a2ce16 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 14 Jun 2016 08:40:49 -0700 Subject: [PATCH] anv: Add proper support for depth clamping Signed-off-by: Jason Ekstrand Reviewed-by: Kenneth Graunke Cc: "12.0" --- src/intel/vulkan/anv_device.c | 2 +- src/intel/vulkan/anv_meta_clear.c | 1 + src/intel/vulkan/anv_pipeline.c | 2 ++ src/intel/vulkan/anv_private.h | 5 ++++- src/intel/vulkan/gen7_pipeline.c | 1 + src/intel/vulkan/gen8_cmd_buffer.c | 7 ++++--- src/intel/vulkan/gen8_pipeline.c | 6 +++--- src/intel/vulkan/genX_cmd_buffer.c | 8 ++++++-- 8 files changed, 22 insertions(+), 10 deletions(-) diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c index f864248..97300c3 100644 --- a/src/intel/vulkan/anv_device.c +++ b/src/intel/vulkan/anv_device.c @@ -380,7 +380,7 @@ void anv_GetPhysicalDeviceFeatures( .logicOp = true, .multiDrawIndirect = false, .drawIndirectFirstInstance = false, - .depthClamp = false, + .depthClamp = true, .depthBiasClamp = false, .fillModeNonSolid = true, .depthBounds = false, diff --git a/src/intel/vulkan/anv_meta_clear.c b/src/intel/vulkan/anv_meta_clear.c index fe750c8..7ec0608 100644 --- a/src/intel/vulkan/anv_meta_clear.c +++ b/src/intel/vulkan/anv_meta_clear.c @@ -173,6 +173,7 @@ create_pipeline(struct anv_device *device, .cullMode = VK_CULL_MODE_NONE, .frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE, .depthBiasEnable = false, + .depthClampEnable = true, }, .pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) { .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c index 1c54081..295b48c 100644 --- a/src/intel/vulkan/anv_pipeline.c +++ b/src/intel/vulkan/anv_pipeline.c @@ -1165,6 +1165,8 @@ anv_pipeline_init(struct anv_pipeline *pipeline, pipeline->batch.relocs = &pipeline->batch_relocs; copy_non_dynamic_state(pipeline, pCreateInfo); + pipeline->depth_clamp_enable = pCreateInfo->pRasterizationState && + pCreateInfo->pRasterizationState->depthClampEnable; pipeline->use_repclear = extra && extra->use_repclear; diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h index f5500c5..052ced4 100644 --- a/src/intel/vulkan/anv_private.h +++ b/src/intel/vulkan/anv_private.h @@ -1360,7 +1360,8 @@ VkResult anv_cmd_buffer_new_binding_table_block(struct anv_cmd_buffer *cmd_buffer); void gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer *cmd_buffer); -void gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer); +void gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer, + bool depth_clamp_enable); void gen7_cmd_buffer_emit_scissor(struct anv_cmd_buffer *cmd_buffer); void anv_cmd_buffer_emit_state_base_address(struct anv_cmd_buffer *cmd_buffer); @@ -1485,6 +1486,8 @@ struct anv_pipeline { uint32_t cs_right_mask; + bool depth_clamp_enable; + struct { uint32_t sf[7]; uint32_t depth_stencil_state[3]; diff --git a/src/intel/vulkan/gen7_pipeline.c b/src/intel/vulkan/gen7_pipeline.c index f069db9..dd34d71 100644 --- a/src/intel/vulkan/gen7_pipeline.c +++ b/src/intel/vulkan/gen7_pipeline.c @@ -196,6 +196,7 @@ genX(graphics_pipeline_create)( clip.ClipEnable = !(extra && extra->use_rectlist), clip.APIMode = APIMODE_OGL, clip.ViewportXYClipTestEnable = true, + clip.ViewportZClipTestEnable = !pipeline->depth_clamp_enable, clip.ClipMode = CLIPMODE_NORMAL, clip.TriangleStripListProvokingVertexSelect = 0, diff --git a/src/intel/vulkan/gen8_cmd_buffer.c b/src/intel/vulkan/gen8_cmd_buffer.c index 395d0da..e22b4e2 100644 --- a/src/intel/vulkan/gen8_cmd_buffer.c +++ b/src/intel/vulkan/gen8_cmd_buffer.c @@ -77,7 +77,8 @@ gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer *cmd_buffer) } void -gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer) +gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer, + bool depth_clamp_enable) { uint32_t count = cmd_buffer->state.dynamic.viewport.count; const VkViewport *viewports = cmd_buffer->state.dynamic.viewport.viewports; @@ -88,8 +89,8 @@ gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer) const VkViewport *vp = &viewports[i]; struct GENX(CC_VIEWPORT) cc_viewport = { - .MinimumDepth = vp->minDepth, - .MaximumDepth = vp->maxDepth, + .MinimumDepth = depth_clamp_enable ? vp->minDepth : 0.0f, + .MaximumDepth = depth_clamp_enable ? vp->maxDepth : 1.0f, }; GENX(CC_VIEWPORT_pack)(NULL, cc_state.map + i * 8, &cc_viewport); diff --git a/src/intel/vulkan/gen8_pipeline.c b/src/intel/vulkan/gen8_pipeline.c index 54585c3..2a96be0 100644 --- a/src/intel/vulkan/gen8_pipeline.c +++ b/src/intel/vulkan/gen8_pipeline.c @@ -85,11 +85,11 @@ emit_rs_state(struct anv_pipeline *pipeline, .BackFaceFillMode = vk_to_gen_fillmode[info->polygonMode], .ScissorRectangleEnable = !(extra && extra->use_rectlist), #if GEN_GEN == 8 - .ViewportZClipTestEnable = true, + .ViewportZClipTestEnable = !pipeline->depth_clamp_enable, #else /* GEN9+ splits ViewportZClipTestEnable into near and far enable bits */ - .ViewportZFarClipTestEnable = true, - .ViewportZNearClipTestEnable = true, + .ViewportZFarClipTestEnable = !pipeline->depth_clamp_enable, + .ViewportZNearClipTestEnable = !pipeline->depth_clamp_enable, #endif .GlobalDepthOffsetEnableSolid = info->depthBiasEnable, .GlobalDepthOffsetEnableWireframe = info->depthBiasEnable, diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index 58f5e0b..3d628df 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -525,9 +525,13 @@ genX(cmd_buffer_flush_state)(struct anv_cmd_buffer *cmd_buffer) if (dirty) gen7_cmd_buffer_emit_descriptor_pointers(cmd_buffer, dirty); - if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_VIEWPORT) { + if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_VIEWPORT) gen8_cmd_buffer_emit_viewport(cmd_buffer); - gen8_cmd_buffer_emit_depth_viewport(cmd_buffer); + + if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_DYNAMIC_VIEWPORT | + ANV_CMD_DIRTY_PIPELINE)) { + gen8_cmd_buffer_emit_depth_viewport(cmd_buffer, + pipeline->depth_clamp_enable); } if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_SCISSOR) -- 2.7.4