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Remove support for PVRTC texture encoding and decoding

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On the only platform where PVRTC is supported (iOS),
ETC2 generally supersedes PVRTC in every possible way. The increased
memory usage is not really a problem thanks to modern iOS' devices
processing power being higher than its Android counterparts.
This commit is contained in:
Hugo Locurcio 2021-12-29 02:06:12 +01:00
parent 472b5b1167
commit 40be15920f
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GPG key ID: 39E8F8BE30B0A49C
50 changed files with 34 additions and 2872 deletions
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57
drivers/vulkan/rendering_device_vulkan.cpp
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@ -387,14 +387,6 @@ const VkFormat RenderingDeviceVulkan::vulkan_formats[RenderingDevice::DATA_FORMA
VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM,
VK_FORMAT_G16_B16R16_2PLANE_422_UNORM,
VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM,
VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG,
VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG,
VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG,
VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG,
VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG,
VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG,
VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG,
VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG,
};
const char *RenderingDeviceVulkan::named_formats[RenderingDevice::DATA_FORMAT_MAX] = {
@ -616,14 +608,6 @@ const char *RenderingDeviceVulkan::named_formats[RenderingDevice::DATA_FORMAT_MA
"G16_B16_R16_3Plane_422_Unorm",
"G16_B16R16_2Plane_422_Unorm",
"G16_B16_R16_3Plane_444_Unorm",
"Pvrtc1_2Bpp_Unorm_Block_Img",
"Pvrtc1_4Bpp_Unorm_Block_Img",
"Pvrtc2_2Bpp_Unorm_Block_Img",
"Pvrtc2_4Bpp_Unorm_Block_Img",
"Pvrtc1_2Bpp_Srgb_Block_Img",
"Pvrtc1_4Bpp_Srgb_Block_Img",
"Pvrtc2_2Bpp_Srgb_Block_Img",
"Pvrtc2_4Bpp_Srgb_Block_Img"
};
int RenderingDeviceVulkan::get_format_vertex_size(DataFormat p_format) {
@ -970,15 +954,6 @@ uint32_t RenderingDeviceVulkan::get_image_format_pixel_size(DataFormat p_format)
case DATA_FORMAT_G16_B16R16_2PLANE_422_UNORM:
case DATA_FORMAT_G16_B16_R16_3PLANE_444_UNORM:
return 8;
case DATA_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
return 1;
default: {
ERR_PRINT("Format not handled, bug");
}
@ -1048,20 +1023,6 @@ void RenderingDeviceVulkan::get_compressed_image_format_block_dimensions(DataFor
r_w = 4;
r_h = 4;
return;
case DATA_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
r_w = 4;
r_h = 4;
return;
case DATA_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
r_w = 8;
r_h = 4;
return;
default: {
r_w = 1;
r_h = 1;
@ -1138,15 +1099,6 @@ uint32_t RenderingDeviceVulkan::get_compressed_image_format_block_byte_size(Data
case DATA_FORMAT_ASTC_12x12_UNORM_BLOCK:
case DATA_FORMAT_ASTC_12x12_SRGB_BLOCK:
return 8; //wrong
case DATA_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
return 8; //what varies is resolution
default: {
}
}
@ -1167,16 +1119,7 @@ uint32_t RenderingDeviceVulkan::get_compressed_image_format_pixel_rshift(DataFor
case DATA_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
case DATA_FORMAT_EAC_R11_UNORM_BLOCK:
case DATA_FORMAT_EAC_R11_SNORM_BLOCK:
case DATA_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
return 1;
case DATA_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG: //these formats are quarter byte size, so rshift is 1
case DATA_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case DATA_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case DATA_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
return 2;
default: {
}
}