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Ryujinx/Ryujinx.Graphics.Vulkan/Shaders/ConvertIndexBufferShaderSource.comp
gdkchan f1d1670b0b
Implement HLE macro for DrawElementsIndirect (#3748)
* Implement HLE macro for DrawElementsIndirect

* Shader cache version bump

* Use GL_ARB_shader_draw_parameters extension on OpenGL

* Fix DrawIndexedIndirectCount on Vulkan when extension is not supported

* Implement DrawIndex

* Alignment

* Fix some validation errors

* Rename BaseIds to DrawParameters

* Fix incorrect index buffer and vertex buffer size in some cases

* Add HLE macros for DrawArraysInstanced and DrawElementsInstanced

* Perform a regular draw when indirect data is not modified

* Use non-indirect draw methods if indirect buffer was not GPU modified

* Only check if draw parameters match if the shader actually uses them

* Expose Macro HLE setting on GUI

* Reset FirstVertex and FirstInstance after draw

* Update shader cache version again since some people already tested this

* PR feedback

Co-authored-by: riperiperi <rhy3756547@hotmail.com>
2022-11-16 14:53:04 -03:00

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#version 450 core
#extension GL_EXT_scalar_block_layout : require
#extension GL_EXT_shader_8bit_storage : require
layout (local_size_x = 16, local_size_y = 1, local_size_z = 1) in;
layout (std430, set = 0, binding = 0) uniform index_buffer_pattern
{
int ibp_pattern[8];
int ibp_primitive_vertices;
int ibp_primitive_vertices_out;
int ibp_index_size;
int ibp_index_size_out;
int ibp_base_index;
int ibp_index_stride;
int src_offset;
int total_primitives;
};
layout (std430, set = 1, binding = 1) buffer in_s
{
uint8_t[] in_data;
};
layout (std430, set = 1, binding = 2) buffer out_s
{
uint8_t[] out_data;
};
void main()
{
int primitiveIndex = int(gl_GlobalInvocationID.x);
if (primitiveIndex >= total_primitives)
{
return;
}
int inOffset = primitiveIndex * ibp_index_stride;
int outOffset = primitiveIndex * ibp_primitive_vertices_out;
for (int i = 0; i < ibp_primitive_vertices_out; i++)
{
int j;
int io = max(0, inOffset + ibp_base_index + ibp_pattern[i]) * ibp_index_size;
int oo = (outOffset + i) * ibp_index_size_out;
for (j = 0; j < ibp_index_size; j++)
{
out_data[oo + j] = in_data[src_offset + io + j];
}
for (; j < ibp_index_size_out; j++)
{
out_data[oo + j] = uint8_t(0);
}
}
}