Add a test for gl_FragCoord

2 files changed, 162 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 1f96ead..d8eb726 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -88,6 +88,7 @@ bin_crucible_SOURCES = \
 	src/tests/func/compute.c \
 	src/tests/func/compute-local-id.c \
 	src/tests/func/compute-num-workgroups.c \
+	src/tests/func/input/fragcoord.c \
 	src/tests/func/interleaved-cmd-buffers.c \
 	src/tests/func/miptree/miptree.c \
 	src/tests/func/push-constants/basic.c \
@@ -120,6 +121,7 @@ BUILT_SOURCES = \
 	src/tests/func/compute-spirv.h \
 	src/tests/func/compute-local-id-spirv.h \
 	src/tests/func/compute-num-workgroups-spirv.h \
+	src/tests/func/input/fragcoord-spirv.h \
 	src/tests/func/miptree/miptree-spirv.h \
 	src/tests/func/miptree/miptree_gen.c \
 	src/tests/func/push-constants/basic-spirv.h \
diff --git a/src/tests/func/input/fragcoord.c b/src/tests/func/input/fragcoord.c
new file mode 100644
index 0000000..6e5a056
--- /dev/null
+++ b/src/tests/func/input/fragcoord.c
@@ -0,0 +1,160 @@
+// Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice (including the next
+// paragraph) shall be included in all copies or substantial portions of the
+// Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#include "tapi/t.h"
+
+#include "fragcoord-spirv.h"
+
+static void
+test_fragcoord(void)
+{
+    VkRenderPass pass = qoCreateRenderPass(t_device,
+        .attachmentCount = 1,
+        .pAttachments = (VkAttachmentDescription[]) {
+            {
+                QO_ATTACHMENT_DESCRIPTION_DEFAULTS,
+                .format = VK_FORMAT_R8G8B8A8_UNORM,
+                .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
+            },
+        },
+        .subpassCount = 1,
+        .pSubpasses = (VkSubpassDescription[]) {
+            {
+                QO_SUBPASS_DESCRIPTION_DEFAULTS,
+                .colorAttachmentCount = 1,
+                .pColorAttachments = (VkAttachmentReference[]) {
+                    {
+                        .attachment = 0,
+                        .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+                    },
+                },
+                .preserveAttachmentCount = 1,
+                .pPreserveAttachments = (uint32_t[]) { 0 },
+            }
+        });
+
+    VkShaderModule vs = qoCreateShaderModuleGLSL(t_device, VERTEX,
+        layout(location = 0) in vec4 a_position;
+        layout(location = 0) out vec2 v_attr;
+        void main()
+        {
+            gl_Position.xy = a_position.xy * 2 - vec2(1.0);
+            gl_Position.zw = a_position.zw;
+            v_attr.x = -a_position.x;
+            v_attr.y = 1.0 - a_position.y;
+        }
+    );
+
+    VkShaderModule fs = qoCreateShaderModuleGLSL(t_device, FRAGMENT,
+        layout(origin_upper_left) in vec4 gl_FragCoord;
+        layout(location = 0) in vec2 v_attr;
+        layout(location = 0) out vec4 f_color;
+        void main()
+        {
+            f_color.xy = v_attr + gl_FragCoord.xy / 32.0;
+            f_color.zw = gl_FragCoord.zw;
+        }
+    );
+
+    VkPipelineVertexInputStateCreateInfo vi_info = {
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
+        .vertexBindingDescriptionCount = 1,
+        .pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
+            {
+                .binding = 0,
+                .stride = 8,
+                .inputRate = VK_VERTEX_INPUT_RATE_VERTEX
+            },
+        },
+        .vertexAttributeDescriptionCount = 1,
+        .pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
+            {
+                .location = 0,
+                .binding = 0,
+                .format = VK_FORMAT_R32G32_SFLOAT,
+                .offset = 0
+            },
+        }
+    };
+
+    VkPipeline pipeline = qoCreateGraphicsPipeline(t_device, t_pipeline_cache,
+        &(QoExtraGraphicsPipelineCreateInfo) {
+            QO_EXTRA_GRAPHICS_PIPELINE_CREATE_INFO_DEFAULTS,
+            .vertexShader = vs,
+            .fragmentShader = fs,
+            .pNext =
+        &(VkGraphicsPipelineCreateInfo) {
+            .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
+            .pInputAssemblyState = &(VkPipelineInputAssemblyStateCreateInfo) {
+                QO_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO_DEFAULTS,
+                .topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
+            },
+            .pVertexInputState = &vi_info,
+            .renderPass = pass,
+            .subpass = 0,
+        }});
+
+    const float vertices[] = {
+        0.0, 1.0,
+        1.0, 1.0,
+        0.0, 0.0,
+        1.0, 0.0
+    };
+
+    VkBuffer vb = qoCreateBuffer(t_device, .size =  sizeof(vertices),
+                                 .usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
+
+    VkDeviceMemory vb_mem = qoAllocBufferMemory(t_device, vb,
+        .memoryTypeIndex = t_mem_type_index_for_mmap);
+    qoBindBufferMemory(t_device, vb, vb_mem, 0);
+
+    void *vb_map = qoMapMemory(t_device, vb_mem, 0, sizeof(vertices), 0);
+
+    memcpy(vb_map, vertices, sizeof(vertices));
+
+    vkCmdBeginRenderPass(t_cmd_buffer,
+        &(VkRenderPassBeginInfo) {
+            .renderPass = pass,
+            .framebuffer = t_framebuffer,
+            .renderArea = { { 0, 0 }, { t_width, t_height } },
+            .clearValueCount = 1,
+            .pClearValues = (VkClearValue[]) {
+                { .color = { .float32 = {1.0, 0.0, 0.0, 1.0} } },
+            }
+        }, VK_SUBPASS_CONTENTS_INLINE);
+
+    vkCmdBindVertexBuffers(t_cmd_buffer, 0, 1, (VkBuffer[]) { vb },
+                           (VkDeviceSize[]) { 0 });
+
+    vkCmdBindPipeline(t_cmd_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
+
+    vkCmdDraw(t_cmd_buffer, 4, 1, 0, 0);
+
+    vkCmdEndRenderPass(t_cmd_buffer);
+    qoEndCommandBuffer(t_cmd_buffer);
+    qoQueueSubmit(t_queue, 1, &t_cmd_buffer, VK_NULL_HANDLE);
+}
+
+test_define {
+    .name = "func.input.fragcoord",
+    .start = test_fragcoord,
+    .image_filename = "32x32-green.ref.png",
+};