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1400 Commits

Author SHA1 Message Date
bunnei
37f50c8773
Merge pull request #535 from Subv/gpu_swizzle 
GPU: Support changing the texture swizzles for Maxwell textures.
 2018-06-06 21:39:47 -04:00
bunnei
00c830405b gl_shader_decompiler: Remove some attribute stuff that has nothing to do with TEX/TEXS. 2018-06-06 19:47:41 -04:00
bunnei
4b114e1b8a shader_bytecode: Add instruction decodings for BFE, IMNMX, and XMAD. 2018-06-06 19:47:34 -04:00
bunnei
0a49c46353 gl_shader_decompiler: Implement ISETP_IMM instruction. 2018-06-06 19:45:58 -04:00
Subv
47629c89a8 GPU: Support changing the texture swizzles for Maxwell textures. 2018-06-06 18:36:15 -05:00
Subv
89e81a9be2 GLState: Support changing the GL_TEXTURE_SWIZZLE parameter of each texture unit. 2018-06-06 18:36:13 -05:00
bunnei
0ff2929644
Merge pull request #534 from Subv/multitexturing 
GPU: Implement sampling multiple textures in the generated glsl shaders.
 2018-06-06 19:12:52 -04:00
bunnei
4669f15f8b gl_shader_decompiler: Implement LD_C instruction. 2018-06-06 18:09:06 -04:00
bunnei
4112aa68a6 gl_shader_gen: Add uniform handling for indirect const buffer access. 2018-06-06 18:09:05 -04:00
bunnei
6e386a334b gl_shader_decompiler: Refactor uniform handling to allow different decodings. 2018-06-06 17:57:15 -04:00
Subv
dbfc39d214 GPU: Implement sampling multiple textures in the generated glsl shaders. 
All tested games that use a single texture show no regression.

Only Texture2D textures are supported right now, each shader gets its own "tex_fs/vs/gs" sampler array to maintain independent textures between shader stages, the textures themselves are reused if possible.
 2018-06-06 12:58:16 -05:00
Sebastian Valle
ce026332a5
Merge pull request #531 from bunnei/fix-shl 
gl_shader_decompiler: Fix un/signed mismatch with SHL.
 2018-06-06 08:28:42 -05:00
Sebastian Valle
fa220dd709
Merge pull request #530 from bunnei/wrap-mirror 
maxwell_to_gl: Implement WrapMode Mirror.
 2018-06-06 08:28:27 -05:00
bunnei
9a85277d83
Merge pull request #527 from Subv/rgba32f_texcopy 
GPU: Allow the usage of RGBA32_FLOAT and RGBA16_FLOAT in the texture copy engine.
 2018-06-06 00:24:13 -04:00
bunnei
05dc93399b
Merge pull request #528 from Subv/rg11b10f 
GPU: Implemented the R11FG11FB10F texture and rendertarget formats.
 2018-06-06 00:22:54 -04:00
bunnei
566f97b580 gl_shader_decompiler: Fix un/signed mismatch with SHL. 2018-06-05 23:58:06 -04:00
bunnei
bf0543af23 maxwell_to_gl: Implement WrapMode Mirror. 2018-06-05 23:56:45 -04:00
Subv
adf47cd59a GPU: Allow the usage of RGBA16_FLOAT in the texture copy engine. 2018-06-05 22:01:20 -05:00
Subv
c531a92eda GPU: Implemented the R11FG11FB10F texture and rendertarget formats. 2018-06-05 21:57:16 -05:00
Subv
14afc704d4 GPU: Fixed the compression factor for RGBA16F textures. 
They're not compressed.
 2018-06-05 21:55:17 -05:00
Subv
8d70d1ea45 GPU: Allow the usage of RGBA32_FLOAT in the texture copy engine. 2018-06-05 21:07:40 -05:00
bunnei
5fb99e6a16
Merge pull request #516 from Subv/f2i_r 
GPU: Implemented the F2I_R shader instruction.
 2018-06-05 22:01:29 -04:00
bunnei
38eb33f150
Merge pull request #521 from Subv/bra 
GPU: Corrected the branch targets for the shader bra instruction.
 2018-06-05 10:09:35 -04:00
bunnei
b54a72afc0
Merge pull request #520 from bunnei/shader-shl 
gl_shader_decompiler: Implement SHL instruction.
 2018-06-05 10:08:42 -04:00
Subv
e7dfcdde74 GPU: Corrected the branch targets for the shader bra instruction. 2018-06-04 22:56:28 -05:00
Subv
4b89348c00 GPU: Implemented the F2I_R shader instruction. 2018-06-04 22:06:50 -05:00
bunnei
8c99dd055c
Merge pull request #518 from Subv/incomplete_shaders 
GPU: Implemented predicated exit instructions in the shader programs.
 2018-06-04 22:43:46 -04:00
bunnei
799e632ccb gl_shader_decompiler: Fix typo with ISCADD instruction. 2018-06-04 22:41:10 -04:00
bunnei
c23c30c76f gl_shader_decompiler: Implement SHL instruction. 2018-06-04 22:36:49 -04:00
bunnei
6ea1576513 gl_shader_decompiler: Implement PredCondition::NotEqual. 2018-06-04 22:00:47 -04:00
Subv
23b1e6eded GPU: Implement the ISCADD shader instructions. 2018-06-04 20:17:41 -05:00
Subv
438a9b70cc GPU: Added decodings for the ISCADD instructions. 2018-06-04 20:17:39 -05:00
bunnei
e8bfff7b4b
Merge pull request #514 from Subv/lop32i 
GPU: Implemented the LOP32I instruction.
 2018-06-04 20:48:15 -04:00
bunnei
f564822e78
Merge pull request #510 from Subv/isetp 
GPU: Implemented the ISETP_R and ISETP_C instructions
 2018-06-04 20:47:11 -04:00
Subv
6cf6fa2842 GPU: Implement predicated exit instructions in the shader programs. 2018-06-04 19:18:11 -05:00
Subv
d27279092f GPU: Take into account predicated exits when performing shader control flow analysis. 2018-06-04 19:14:23 -05:00
bunnei
37fd4e6d9b
Merge pull request #512 from Subv/fset 
GPU: Corrected the FSET and I2F instructions.
 2018-06-04 19:04:20 -04:00
bunnei
cdd92dc692
Merge pull request #501 from Subv/shader_bra 
GPU: Partially implemented the bra shader instruction
 2018-06-04 18:31:07 -04:00
bunnei
38d25a4cb2
Merge pull request #515 from Subv/viewport_fix 
GPU: Calculate the correct viewport dimensions based on the scale and translate registers.
 2018-06-04 18:11:36 -04:00
Subv
2933521a08 GPU: Use the bf bit in FSET to determine whether to write 0xFFFFFFFF or 1.0f. 2018-06-04 16:41:28 -05:00
Subv
f6679ce422 GPU: Corrected the I2F_R implementation. 2018-06-04 16:41:27 -05:00
Subv
5d55403f94 GPU: Calculate the correct viewport dimensions based on the scale and translate registers. 
This is how nouveau calculates the viewport width and height. For some reason some games set 0xFFFF in the VIEWPORT_HORIZ and VIEWPORT_VERT registers, maybe those are a misnomer and actually refer to something else?
 2018-06-04 16:36:54 -05:00
Subv
0c688b421c GPU: Implemented the LOP32I instruction. 2018-06-04 13:56:31 -05:00
Subv
cb47abecc6 GLCache: Corrected a mismatch between storing compressed sizes and verifying the uncompressed alignment in GetSurface. 2018-06-04 13:01:53 -05:00
Subv
90cddf1996 GPU: Use explicit types when retrieving the uniform values for fsetp/fset and isetp instead of the type of an invalid output register. 2018-06-04 11:22:26 -05:00
Subv
7c181fd4f4 GPU: Implemented the ISETP_R and ISETP_C shader instructions. 2018-06-04 11:12:03 -05:00
Subv
b481d8a00d GPU: Partially implemented the shader BRA instruction. 2018-06-03 22:26:36 -05:00
Subv
06c72b4fcf GPU: Added decoding for the BRA instruction. 2018-06-03 22:14:00 -05:00
bunnei
ba117854f9
Merge pull request #500 from Subv/long_queries 
GPU: Partial implementation of long GPU queries.
 2018-06-03 21:24:50 -04:00
Subv
d57333406d GPU: Partial implementation of long GPU queries. 
Long queries write a 128-bit result value to memory, which consists of a 64 bit query value and a 64 bit timestamp.

In this implementation, only select=Zero of the Crop unit is implemented, this writes the query sequence as a 64 bit value, and a 0u64 value for the timestamp, since we emulate an infinitely fast GPU.

This specific type was hwtested, but more rigorous tests should be performed in the future for the other types.
 2018-06-03 19:17:31 -05:00
bunnei
1efcba346a gl_shader_decompiler: Implement TEXS component mask. 2018-06-03 12:08:17 -04:00
bunnei
bb9d39b8fe
Merge pull request #494 from bunnei/shader-tex 
gl_shader_decompiler: Implement TEX, fixes for TEXS.
 2018-06-03 12:05:38 -04:00
bunnei
27c0f9e02d
Merge pull request #495 from bunnei/improve-rro 
gl_shader_decompiler: Implement RRO as a register move.
 2018-06-03 12:05:26 -04:00
bunnei
e54ea773fc gl_shader_decompiler: Implement RRO as a register move. 2018-06-03 11:14:31 -04:00
Subv
99f9d47d16 GPU: Implemented the DXN1 (BC4) texture format. 2018-06-02 13:17:09 -05:00
bunnei
888eb345c0 gl_shader_decompiler: Implement TEX instruction. 2018-05-31 23:36:45 -04:00
bunnei
4c727d0ba8 gl_shader_decompiler: Support multi-destination for TEXS. 2018-05-31 22:57:32 -04:00
bunnei
49309b5848 gl_rasterizer_cache: Assert that component type is UNorm or format is RGBA16F. 2018-05-30 22:50:41 -04:00
bunnei
ca5a4a704b gl_rasterizer_cache: Implement PixelFormat RGBA16F. 2018-05-30 22:24:07 -04:00
bunnei
15086a22be
Merge pull request #489 from Subv/vertexid 
Shaders: Implemented reading the gl_InstanceID and gl_VertexID variables in the vertex shader.
 2018-05-30 14:10:48 -04:00
Subv
99f12b05fa Shaders: Implemented reading the gl_InstanceID and gl_VertexID variables in the vertex shader. 2018-05-30 10:58:03 -05:00
Sebastian Valle
8df011a57f
Merge pull request #483 from bunnei/sonic 
Several GPU fixes to boot Sonic Mania
 2018-05-30 07:31:46 -05:00
bunnei
6fcc7e9c36 gl_shader_decompiler: F2F_R instruction: Implement abs. 2018-05-29 23:52:54 -04:00
bunnei
68937a662d gl_shader_decompiler: Partially implement F2F_R instruction. 2018-05-29 23:10:44 -04:00
Subv
734106dcb9 GPU: Implemented the R8 texture format (0x1D) 2018-05-29 21:49:37 -05:00
bunnei
0d843eaba6 gl_rasterize_cache: Invert order of tex format RGB565. 2018-05-29 22:16:18 -04:00
greggameplayer
220d4672df add all the known TextureFormat (#474) 2018-05-28 19:26:17 -04:00
bunnei
d809f65827
Merge pull request #472 from bunnei/greater-equal 
gl_shader_decompiler: Implement GetPredicateComparison GreaterEqual.
 2018-05-27 12:14:30 -04:00
bunnei
7f155ba713
Merge pull request #476 from Subv/a1bgr5 
GPU: Implemented the A1B5G5R5 texture format (0x14)
 2018-05-27 12:14:08 -04:00
Subv
7ddc872b52 GPU: Implemented the A1B5G5R5 texture format (0x14) 2018-05-27 09:02:05 -05:00
bunnei
c23ce3365d gl_shader_decompiler: Implement GetPredicateComparison GreaterEqual. 2018-05-25 23:21:29 -04:00
bunnei
ee53688ca7 shader_bytecode: Implement other variants of FMNMX. 2018-05-25 23:18:50 -04:00
bunnei
aee356bd10
Merge pull request #468 from Subv/compound_preds 
Shader: Implemented compound predicates in the fset and fsetp instructions
 2018-05-25 22:28:47 -04:00
Subv
e2cdf54177 Shader: Implemented compound predicates in fset. 
You can specify a predicate in the fset instruction:

Result = ((Value1 Comp Value2) OP P0) ? 1.0 : 0.0;
 2018-05-24 17:39:59 -05:00
Subv
e2db7a83f6 GPU: Allow command lists to rebind a channel to another engine in the middle of the command list. 2018-05-24 17:32:46 -05:00
Subv
126270d963 Shader: Implemented compound predicates in fsetp. 
You can specify three predicates in an fsetp instruction:

P1 = (Value1 Comp Value2) OP P0;
P2 = !(Value1 Comp Value2) OP P0;
 2018-05-24 17:22:36 -05:00
bunnei
58857b9f46
Merge pull request #456 from Subv/unmap_buffer 
Implemented nvhost-as-gpu's UnmapBuffer and nvmap's Free ioctls.
 2018-05-20 23:54:50 -04:00
bunnei
898f0fa029
Merge pull request #458 from Subv/fmnmx 
Shaders: Implemented the FMNMX shader instruction.
 2018-05-20 23:44:07 -04:00
Sebastian Valle
6486544e09
Merge pull request #452 from Subv/psetp 
ShadersDecompiler: Added decoding for the PSETP instruction.
 2018-05-20 20:00:55 -05:00
Sebastian Valle
2dbfcd32d7
Merge pull request #451 from Subv/gl_array_size 
GLRenderer: Remove unused vertex buffer and increase the size of the stream buffer to 128 MB.
 2018-05-20 20:00:40 -05:00
Subv
8440cef223 Shaders: Implemented the FMNMX shader instruction. 2018-05-20 17:53:06 -05:00
Subv
72b5c448cf GPU: Implemented nvhost-as-gpu's UnmapBuffer ioctl. 
It removes a mapping previously created with the MapBufferEx ioctl.
 2018-05-20 14:25:56 -05:00
Subv
a056d5ad8c ShadersDecompiler: Added decoding for the PSETP instruction. 2018-05-19 11:41:14 -05:00
Subv
98b143c2d6 GLRenderer: Remove unused hw_vao_enabled_attributes variable. 2018-05-19 11:36:38 -05:00
Subv
370ab5df9b GLRenderer: Remove unused vertex buffer and increase the size of the stream buffer to 128 MB. 
The stream buffer is where all the vertex data is copied, some games require this to be much bigger than the 4 MB we used to have.
 2018-05-19 11:36:09 -05:00
Subv
21959ddfef GLRenderer: Log the shader source code when program linking fails. 2018-05-19 11:19:34 -05:00
Lioncash
7c9644646f
general: Make formatting of logged hex values more straightforward 
This makes the formatting expectations more obvious (e.g. any zero padding specified
is padding that's entirely dedicated to the value being printed, not any pretty-printing
that also gets tacked on).
 2018-05-02 09:49:36 -04:00
bunnei
225ff1130f
Merge pull request #422 from bunnei/shader-mov 
Shader instructions MOV_C, MOV_R, and several minor GPU things
 2018-04-29 21:47:42 -04:00
bunnei
f41eb95e13 maxwell_3d: Reset vertex counts after drawing. 2018-04-29 16:23:31 -04:00
bunnei
08b8fcbe6d gl_shader_decompiler: Implement MOV_R. 2018-04-29 16:05:18 -04:00
bunnei
316327f487 maxwell_to_gl: Implement type SignedNorm, Size_8_8_8_8. 2018-04-29 16:05:17 -04:00
bunnei
c7ce472eeb shader_bytecode: Add decoding for FMNMX instruction. 2018-04-29 16:05:17 -04:00
Subv
da32c648bf Shaders: Implemented predicate condition 3 (LessEqual) in the fset and fsetp instructions. 2018-04-29 12:49:41 -05:00
bunnei
a71346cd7c gl_shader_decompiler: Implement MOV_C. 2018-04-29 13:13:13 -04:00
bunnei
6c464a2a4a
Merge pull request #416 from bunnei/shader-ints-p3 
gl_shader_decompiler: Implement MOV32I, partially implement I2I, I2F
 2018-04-29 12:56:16 -04:00
bunnei
f87ea8fa8b fermi_2d: Fix surface copy block height. 2018-04-28 20:40:03 -04:00
bunnei
0c01c34eff gl_shader_decompiler: Partially implement I2I_R, and I2F_R. 2018-04-28 20:03:19 -04:00
bunnei
e73927cfc2 gl_shader_decompiler: More cleanups, etc. with how we handle register types. 2018-04-28 20:03:19 -04:00
bunnei
c691fa4074 GLSLRegister: Simplify register declarations, etc. 2018-04-28 20:03:19 -04:00
bunnei
f2dcb39049 shader_bytecode: Add decodings for i2i instructions. 2018-04-28 20:03:18 -04:00
bunnei
a7b5ab4d9a gl_shader_decompiler: Implement MOV32_IMM instruction. 2018-04-28 20:03:18 -04:00
bunnei
6b365f7703
Merge pull request #408 from bunnei/shader-ints-p2 
gl_shader_decompiler: Add GLSLRegisterManager class to track register state.
 2018-04-27 16:06:09 -04:00
Lioncash
16198f979e
renderer_opengl: Replace usages of LOG_GENERIC with fmt-capable equivalents 2018-04-27 12:09:35 -04:00
bunnei
e6242ab5e6 gl_shader_decompiler: Add GLSLRegisterManager class to track register state. 2018-04-27 11:49:26 -04:00
Lioncash
8475496630
general: Convert assertion macros over to be fmt-compatible 2018-04-27 10:04:02 -04:00
bunnei
c9d7abe9c9 gl_shader_decompiler: Boilerplate for handling integer instructions. 2018-04-26 14:38:42 -04:00
bunnei
37fa9a15cd gl_shader_decompiler: Move color output to EXIT instruction. 2018-04-26 14:38:41 -04:00
bunnei
f81b915fd8
Merge pull request #396 from Subv/shader_ops 
Shaders: Implemented the FSET instruction.
 2018-04-25 22:42:54 -04:00
Subv
20d86d8a36 GPU: Partially implemented the Fermi2D surface copy operation. 
The hardware allows for some rather complicated operations to be performed on the data during the copy, this is not implemented.
Only same-format same-size raw copies are implemented for now.
 2018-04-25 12:54:26 -05:00
Subv
e9ad8e9185 Shaders: Added bit decodings for the I2I instruction. 2018-04-25 12:52:55 -05:00
Subv
1740aa5444 Shaders: Implemented the FSET instruction. 
This instruction is similar to the FSETP instruction, but it doesn't set a predicate, it sets the destination register to 1.0 if the condition holds, and 0 otherwise.
 2018-04-25 12:52:32 -05:00
Subv
1dd4861d38 GPU: Make the Textures::CopySwizzledData function accessible from the outside of the file. 2018-04-25 11:55:30 -05:00
Subv
a6da2b93c1 GPU: Added a function to retrieve the bytes per pixel of the render target formats. 2018-04-25 11:55:29 -05:00
Subv
378c881427 GPU: Added surface copy registers to Fermi2D 2018-04-25 11:55:29 -05:00
Subv
b1109931b9 GPU: Added boilerplate code for the Fermi2D engine 2018-04-25 11:55:29 -05:00
Subv
c16cfbbc6c GPU: Reduce the number of registers of Maxwell3D to 0xE00. 
The rest are just macro shim registers.
 2018-04-25 11:55:28 -05:00
Subv
a994446b6e GPU: Move the Maxwell3D macro uploading code to the inside of the Maxwell3D processor. 
It doesn't belong in the PFIFO handler.
 2018-04-25 11:55:27 -05:00
Subv
e2f2a49d2d GPU: Corrected the upper bound of the PFIFO method ids in the command processor. 2018-04-25 11:53:54 -05:00
Lioncash
b7551e457b
video-core: Move logging macros over to new fmt-capable ones 2018-04-25 09:13:57 -04:00
Subv
0369ee7248 Shaders: Added decodings for the FSET instructions. 2018-04-24 22:42:54 -05:00
bunnei
c30cd898fc renderer_opengl: Use correct byte order for framebuffer pixel format ABGR8. 2018-04-24 22:31:46 -04:00
bunnei
f1a4a004fb gl_rasterizer_cache: Use CHAR_BIT for bpp conversions instead of 8. 2018-04-24 22:31:46 -04:00
bunnei
0a023cfb4f gl_rasterizer_cache: Use GPU PAGE_BITS/SIZE, not CPU. 2018-04-24 22:31:46 -04:00
bunnei
9022d926eb gl_rasterizer_cache: Use new logger. 2018-04-24 22:31:46 -04:00
bunnei
fbb3cd110c gl_rasterizer_cache: Add a function for finding framebuffer GPU address. 2018-04-24 22:31:46 -04:00
bunnei
bc0f1896fc gl_rasterizer_cache: Handle compressed texture sizes. 2018-04-24 22:31:46 -04:00
bunnei
4415e00181 gl_rasterizer_cache: Update to be based on GPU addresses, not CPU addresses. 2018-04-24 22:31:45 -04:00
bunnei
10c6d89119 memory_manager: Add implement CpuToGpuAddress. 2018-04-24 17:49:20 -04:00
bunnei
239ac8abe2 memory_manager: Make GpuToCpuAddress return an optional. 2018-04-24 17:49:19 -04:00
bunnei
9e11a76e92 memory_manager: Use GPUVAdddr, not PAddr, for GPU addresses. 2018-04-24 17:40:43 -04:00
bunnei
e8c2bb24b2
Merge pull request #386 from Subv/gpu_query 
GPU: Added asserts to our code for handling the QUERY_GET GPU command.
 2018-04-24 16:13:51 -04:00
Lioncash
d1b23b2b51
renderer_opengl: Silence a -Wdangling-else warning in DrawScreenTriangles() 2018-04-24 11:13:08 -04:00
bunnei
07dc0bbf3e
Merge pull request #379 from Subv/multi_buffers 
GPU: Support multiple enabled vertex arrays.
 2018-04-24 01:09:02 -04:00
Subv
f208953585 GPU: Added asserts to our code for handling the QUERY_GET GPU command. 
This is based on research from nouveau. Many things are currently unknown and will require hwtests in the future.
This commit also stubs QueryMode::Write2 to do the same as Write. Nouveau code treats them interchangeably, it is currently unknown what the difference is.
 2018-04-23 17:06:57 -05:00
bunnei
3967f9c6ef
Merge pull request #383 from Subv/gpu_mmu 
GPU: Make the GPU virtual memory manager use 16 page bits and 10 pagetable bits.
 2018-04-23 14:00:52 -04:00
Subv
9531a29283 GPU: Support multiple enabled vertex arrays. 
The vertex arrays will be copied to the stream buffer one after the other, and the attributes will be set using the ARB_vertex_attrib_binding extension.

yuzu now thus requires OpenGL 4.3 or the ARB_vertex_attrib_binding extension.
 2018-04-23 11:34:50 -05:00
Subv
f823c1d599 GPU: Make the GPU virtual memory manager use 16 page bits and 10 page table bits. 
Also removed some dead code and added memory map consistency asserts.
 2018-04-23 10:57:12 -05:00
Subv
010227e149 GPU: Implement the RGB10_A2 RenderTarget format, it will use the same format as the A2BGR10 texture format. 2018-04-23 10:50:28 -05:00
Subv
c079cf4eec GPU: Implement the A2BGR10 texture format. 2018-04-21 17:32:25 -05:00
bunnei
f8764bb5d3
Merge pull request #376 from bunnei/shader-decoder 
Shader opcode decoding
 2018-04-21 00:04:51 -04:00
bunnei
f8a037ead4
Merge pull request #375 from lioncash/header 
opengl: Remove unnecessary header inclusions
 2018-04-20 23:08:47 -04:00
bunnei
d08fd7e86d gl_shader_decompiler: Skip RRO instruction. 2018-04-20 22:30:56 -04:00
bunnei
8b28dc55e6 gl_shader_decompiler: Cleanup error logging. 2018-04-20 22:30:56 -04:00
bunnei
e1630c4d43 shader_bytecode: Add several more instruction decodings. 2018-04-20 22:30:56 -04:00
bunnei
9f6d305eab shader_bytecode: Decode instructions based on bit strings. 2018-04-20 22:30:56 -04:00
bunnei
8ac3a3f45e
Merge pull request #369 from Subv/shader_instr2 
ShaderGen: Implemented fsetp/kil and predicated instruction execution.
 2018-04-20 22:29:39 -04:00
bunnei
634d9ee18b
Merge pull request #374 from lioncash/noexcept 
gl_resource_manager: Add missing noexcept specifiers to move constructors and assignment operators
 2018-04-20 22:28:47 -04:00
Subv
17a0ef1e1e ShaderGen: Implemented the KIL instruction, which is equivalent to 'discard'. 2018-04-20 21:09:34 -05:00
Subv
c3a8ea76f1 ShaderGen: Implemented predicated instruction execution. 
Each predicated instruction will be wrapped in an `if (predicate) { instruction_body; }` in the GLSL, where `predicate` is one of the predicate boolean variables previously set by fsetp.
 2018-04-20 21:09:33 -05:00
Subv
0a5e01b710 ShaderGen: Implemented the fsetp instruction. 
Predicate variables are now added to the generated shader code in the form of 'pX' where X is the predicate id.
These predicate variables are initialized to false on shader startup and are set via the fsetp instructions.

TODO:

* Not all the comparison types are implemented.
* Only the single-predicate version is implemented.
 2018-04-20 21:09:33 -05:00