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starting to figure out why mipmapping is incorrect at lower levels

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yours3lf 2020-05-14 19:58:38 +01:00
parent 84befd0ff4
commit 1e681e8292
1 changed files with 22 additions and 23 deletions
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45
test/mipmapping/mipmapping.cpp
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@ -770,11 +770,11 @@ void recordCommandBuffers()
vkCmdPushConstants(presentCommandBuffers[i], samplePipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(pushConstants), &pushConstants);
// float mipBias = 3.0f;
// uint32_t fragPushConstants[1];
// fragPushConstants[0] = *(uint32_t*)&mipBias;
float mipBias = 0.0f;
uint32_t fragPushConstants[1];
fragPushConstants[0] = *(uint32_t*)&mipBias;
// vkCmdPushConstants(presentCommandBuffers[i], samplePipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(fragPushConstants), &fragPushConstants);
vkCmdPushConstants(presentCommandBuffers[i], samplePipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(fragPushConstants), &fragPushConstants);
vkCmdDraw(presentCommandBuffers[i], tris, 1, 0, 0);
@ -1041,12 +1041,12 @@ void CreateShaders()
///r0 = varyingY * W
"sig_none ; r2 = fadd.always(r0, r5, pay_zw, vary) ; r0 = fmul.always(a, b) ;"
///r3 = r0 + r5 (C)
///"sig_none ; r3 = fadd.pm.always(r0, r5, nop, uni) ; r0 = v8min.always(b, b) ;"
"sig_none ; r3 = fadd.pm.always(r0, r5) ; nop = nop(r0, r0) ;"
"sig_none ; r3 = fadd.pm.always(r0, r5, nop, uni) ; r0 = v8min.always(b, b) ;"
///"sig_none ; r3 = fadd.pm.always(r0, r5) ; nop = nop(r0, r0) ;"
///write texture addresses (x, y)
///writing tmu0_s signals that all coordinates are written
///"sig_small_imm ; tmu0_b = or.always(b, b, nop, 0x3f800000) ; nop = nop(r0, r0) ;"
///"sig_none ; tmu0_b = or.always(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; tmu0_b = or.always(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; tmu0_t = or.always(r3, r3) ; nop = nop(r0, r0) ;"
"sig_none ; tmu0_s = or.always(r2, r2) ; nop = nop(r0, r0) ;"
///suspend thread (after 2 nops) to wait for TMU request to finish
@ -1118,15 +1118,14 @@ void CreateShaders()
VkRpiAssemblyMappingEXT fragmentMappings[] = {
//fragment shader uniforms
// {
// VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT,
// VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type
// 0, //descriptor set #
// 0, //descriptor binding #
// 0, //descriptor array element #
// 0, //resource offset
// VK_SHADER_STAGE_FRAGMENT_BIT
// },
{
VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT,
VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type
0, //descriptor set #
0, //descriptor binding #
0, //descriptor array element #
0, //resource offset
},
{
VK_RPI_ASSEMBLY_MAPPING_TYPE_DESCRIPTOR,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, //descriptor type
@ -1626,16 +1625,16 @@ void CreateTexture()
VkSamplerCreateInfo sampler = {};
sampler.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
//sampler.magFilter = VK_FILTER_NEAREST;
sampler.magFilter = VK_FILTER_LINEAR;
// sampler.minFilter = VK_FILTER_NEAREST;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
//sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
sampler.magFilter = VK_FILTER_NEAREST;
//sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_NEAREST;
//sampler.minFilter = VK_FILTER_LINEAR;
//sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
sampler.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
sampler.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
//sampler.mipLodBias = 1.0f; //disable auto lod
sampler.mipLodBias = 1.0f; //disable auto lod
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
vkCreateSampler(device, &sampler, 0, &textureSampler);