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Code to verify buffer uploads are working

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Kovid Goyal
2017-08-21 15:30:50 +05:30
parent 0424d665d5
commit 4f22fcdaac
1 changed files with 22 additions and 17 deletions
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39
kitty/shaders.py
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@@ -7,26 +7,26 @@ from ctypes import addressof, sizeof
from functools import lru_cache
from threading import Lock
from .fonts.render import render_cell
from .fast_data_types import (
glCreateProgram, glAttachShader, GL_FRAGMENT_SHADER, GL_VERTEX_SHADER,
glLinkProgram, GL_TRUE, GL_LINK_STATUS, glGetProgramiv,
glGetProgramInfoLog, glDeleteShader, glDeleteProgram, glGenVertexArrays,
glCreateShader, glShaderSource, glCompileShader, glGetShaderiv,
GL_COMPILE_STATUS, glGetShaderInfoLog, glGetUniformLocation,
glGetAttribLocation, glUseProgram, glBindVertexArray, GL_TEXTURE0,
GL_TEXTURE1, glGetIntegerv, GL_MAX_ARRAY_TEXTURE_LAYERS, glNamedBufferData,
GL_MAX_TEXTURE_SIZE, glDeleteTexture, GL_TEXTURE_2D_ARRAY, glGenTextures,
glBindTexture, glTexParameteri, GL_CLAMP_TO_EDGE, glDeleteBuffer,
GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_WRAP_S,
GL_NEAREST, GL_TEXTURE_WRAP_T, glGenBuffers, GL_R8, GL_RED,
GL_UNPACK_ALIGNMENT, GL_UNSIGNED_BYTE, GL_STATIC_DRAW, GL_STREAM_DRAW,
GL_TEXTURE_BUFFER, GL_R32UI, GL_FLOAT, GL_ARRAY_BUFFER, glBindBuffer,
glPixelStorei, glTexBuffer, glActiveTexture, glTexStorage3D,
glCopyImageSubData, glTexSubImage3D, ITALIC, BOLD, SpriteMap,
glEnableVertexAttribArray, glVertexAttribPointer, copy_image_sub_data,
BOLD, GL_ARRAY_BUFFER, GL_CLAMP_TO_EDGE, GL_COMPILE_STATUS, GL_FLOAT,
GL_FRAGMENT_SHADER, GL_LINK_STATUS, GL_MAX_ARRAY_TEXTURE_LAYERS,
GL_MAX_TEXTURE_SIZE, GL_NEAREST, GL_R8, GL_R32UI, GL_RED, GL_STATIC_DRAW,
GL_STREAM_DRAW, GL_TEXTURE0, GL_TEXTURE1, GL_TEXTURE_2D_ARRAY,
GL_TEXTURE_BUFFER, GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER,
GL_TEXTURE_WRAP_S, GL_TEXTURE_WRAP_T, GL_TRUE, GL_UNPACK_ALIGNMENT,
GL_UNSIGNED_BYTE, GL_VERTEX_SHADER, ITALIC, SpriteMap, copy_image_sub_data,
glActiveTexture, glAttachShader, glBindBuffer, glBindTexture,
glBindVertexArray, glCompileShader, glCopyImageSubData, glCreateProgram,
glCreateShader, glDeleteBuffer, glDeleteProgram, glDeleteShader,
glDeleteTexture, glEnableVertexAttribArray, glGenBuffers, glGenTextures,
glGenVertexArrays, glGetAttribLocation, glGetBufferSubData, glGetIntegerv,
glGetProgramInfoLog, glGetProgramiv, glGetShaderInfoLog, glGetShaderiv,
glGetUniformLocation, glLinkProgram, glNamedBufferData, glPixelStorei,
glShaderSource, glTexBuffer, glTexParameteri, glTexStorage3D,
glTexSubImage3D, glUseProgram, glVertexAttribPointer,
replace_or_create_buffer
)
from .fonts.render import render_cell
from .utils import safe_print
GL_VERSION = (3, 3)
@@ -162,6 +162,11 @@ class Sprites:
prev_sz, self.prev_sprite_map_sz = self.prev_sprite_map_sz, sizeof(data)
replace_or_create_buffer(buf_id, self.prev_sprite_map_sz, prev_sz, addressof(data), usage)
self.bind_sprite_map(buf_id)
if False:
verify_data = type(data)()
glGetBufferSubData(buf_id, self.prev_sprite_map_sz, 0, addressof(verify_data))
if list(data) != list(verify_data):
raise RuntimeError('OpenGL failed to upload to buffer')
def bind_sprite_map(self, buf_id):
glBindBuffer(GL_TEXTURE_BUFFER, buf_id)