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depth tex is now working

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Unknown 2020-01-31 20:42:51 +00:00
parent e7294b896e
commit a1a4d75c43
1 changed files with 39 additions and 7 deletions
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46
test/depthTex/depthTex.cpp
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@ -745,6 +745,11 @@ void recordCommandBuffers()
vkCmdPushConstants(presentCommandBuffers[i], samplePipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(pushConstants), &pushConstants);
uint32_t fragPushConstants[1];
fragPushConstants[0] = 0x33800001; //1/(2^24-1)
vkCmdPushConstants(presentCommandBuffers[i], samplePipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(fragPushConstants), &fragPushConstants);
vkCmdDraw(presentCommandBuffers[i], 3, 1, 0, 0);
vkCmdEndRenderPass(presentCommandBuffers[i]);
@ -1009,11 +1014,15 @@ void CreateShaders()
///read TMU0 request result to R4
"sig_load_tmu0 ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
///when thread has been awakened, MOV from R4 to R0
"sig_none ; r0 = fmax.pm.always.8a(r4, r4) ; nop = nop(r0, r0) ;"
"sig_none ; r1 = fmax.pm.always.8b(r4, r4) ; r0.8a = v8min.always(r0, r0) ;"
"sig_none ; r2 = fmax.pm.always.8c(r4, r4) ; r0.8b = v8min.always(r1, r1) ;"
"sig_none ; r3 = fmax.pm.always.8d(r4, r4) ; r0.8c = v8min.always(r2, r2) ;"
"sig_none ; nop = nop.pm(r0, r0) ; r0.8d = v8min.always(r3, r3) ;"
///shift 8 bits to right as the 24 bit depth is stored in the 24 msb bits
"sig_small_imm ; r0 = shr.always(r4, b, nop, 0x8) ; nop = nop(r0, r0) ;"
"sig_none ; r0 = itof.always(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop.pm(r0, r0, uni, nop) ; r0.8c = fmul.always(r0, a) ;" //uni = 1/(2^24-1)
"sig_small_imm ; nop = nop.pm(r0, r0, nop, 0) ; r0.8a = v8min.always(b, b) ;"
"sig_small_imm ; nop = nop.pm(r0, r0, nop, 0) ; r0.8b = v8min.always(b, b) ;"
"sig_small_imm ; nop = nop.pm(r0, r0, nop, 0) ; r0.8d = v8min.always(b, b) ;"
///"sig_load_imm ; r3 = load32.always(0x4affffff) ; nop = load32() ;" //2^24-1 / 2
///"sig_none ; nop = nop.pm(r0, r0, uni, nop) ; r0.8c = fmul.always(r3, a) ;" //uni = 1/(2^24-1)
"sig_none ; tlb_color_all = or.always(r0, r0) ; nop = nop(r0, r0) ;"
"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
@ -1072,6 +1081,15 @@ void CreateShaders()
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_SHADER_STAGE_FRAGMENT_BIT
}
};
@ -1168,7 +1186,7 @@ void CreatePipeline()
pushConstantRanges[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
pushConstantRanges[1].offset = 0;
pushConstantRanges[1].size = 1 * 4; //1 * 32bits
pushConstantRanges[1].size = 2 * 4; //2 * 32bits
pushConstantRanges[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
VkPipelineShaderStageCreateInfo shaderStageCreateInfo[2] = {};
@ -1236,7 +1254,21 @@ void CreateTexture()
uint32_t width = 1081, height = 1081;
uint32_t mipLevels = 1;
char* texData = readPPM("heightmap.ppm");
//char* texData = readPPM("heightmap.ppm");
//convert to BGRA (A=1)
char* texData = (char*)malloc(width * height * 4);
for(int y = 0; y < height; ++y)
{
for(int x = 0; x < width; ++x)
{
float value = (float)x / (float)width * 16777215.0f;
uint32_t val32 = value;
uint32_t* texData32 = (uint32_t*)texData;
texData32[y*width+x] = (val32 << 8) | 0xff;
}
}
VkBuffer stagingBuffer;
VkDeviceMemory stagingMemory;