rooty/rpi-vk-driver
1
0
Fork 0
mirror of https://github.com/Yours3lf/rpi-vk-driver.git synced 2025-03-21 12:29:15 +01:00
Code Issues Releases Wiki Activity

added assembly for texture sampling

Browse Source
This commit is contained in:
Unknown 2019-08-20 22:13:22 +01:00
parent 2be28d722f
commit 68df5e7d2a
1 changed files with 32 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
test/triangle/triangle.cpp
View File

@ -152,9 +152,9 @@ void setupVulkan() {
CreateFramebuffer();
CreateVertexBuffer();
//CreateUniformBuffer();
CreateDescriptorSet();
CreateShaders();
CreateTexture();
CreateDescriptorSet();
CreatePipeline();
recordCommandBuffers();
}
@ -952,7 +952,7 @@ void CreateShaders()
//abcd
//BGRA
/**/
/**
//rainbow colors
char fs_asm_code[] =
"sig_none ; r1 = itof.always(a, a, x_pix, uni) ; r3 = v8min.always(b, b) ;" //can't use mul pipeline for conversion :(
@ -983,6 +983,34 @@ void CreateShaders()
"\0";
/**/
//sample texture
char fs_asm_code[] =
"sig_none ; r0 = itof.always(b, b, x_pix, y_pix) ; nop = nop(r0, r0) ;"
"sig_load_imm ; r2 = load32.always(0x3a72b9d6) ; nop = load32() ;" //1/1080
"sig_none ; r0 = itof.always(a, a, x_pix, y_pix) ; r1 = fmul.always(r2, r0); ;" //r1 contains tex coord y
"sig_load_imm ; r2 = load32.always(0x3a088888) ; nop = load32() ;" //1/1920
///write texture addresses (x, y)
///writing tmu0_s signals that all coordinates are written
"sig_none ; tmu0_t = or.always(r1, r1) ; r0 = fmul.always(r2, r0) ;" //r0 contains tex coord x
"sig_none ; tmu0_s = or.always(r0, r0) ; nop = nop(r0, r0) ;"
///suspend thread (after 2 nops) to wait for TMU request to finish
"sig_thread_switch ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
///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) ;"
"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) ;"
"sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"\0";
char* asm_strings[] =
{
(char*)cs_asm_code, (char*)vs_asm_code, (char*)fs_asm_code, 0
@ -1028,8 +1056,8 @@ void CreateShaders()
},
//fragment shader uniforms
{
VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT,
VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type
VK_RPI_ASSEMBLY_MAPPING_TYPE_DESCRIPTOR,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, //descriptor type
0, //descriptor set #
0, //descriptor binding #
0, //descriptor array element #