mirror of
https://github.com/baldurk/renderdoc.git
synced 2026-05-05 17:40:39 +00:00
baldurk
856c838def
* In a previous update in 2021 many copyright ranges were truncated accidentally, and some files have been copy-pasted with wrong years. These dates have been fixed based on git history and original copyright messages.
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/******************************************************************************
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020-2026 Baldur Karlsson
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
******************************************************************************/
|
|
|
|
#include "gl_test.h"
|
|
|
|
RD_TEST(GL_Large_Buffer, OpenGLGraphicsTest)
|
|
{
|
|
static constexpr const char *Description =
|
|
"Draws a triangle over the span of a very large buffer to ensure readbacks work correctly.";
|
|
|
|
int main()
|
|
{
|
|
// initialise, create window, create context, etc
|
|
if(!Init())
|
|
return 3;
|
|
|
|
GLuint vao = MakeVAO();
|
|
glBindVertexArray(vao);
|
|
|
|
uint32_t indices[3] = {0, 1000000, 61982400};
|
|
|
|
GLuint ib = MakeBuffer();
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ib);
|
|
glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, 0);
|
|
|
|
GLuint vb = MakeBuffer();
|
|
glBindBuffer(GL_ARRAY_BUFFER, vb);
|
|
glBufferStorage(GL_ARRAY_BUFFER, 2128ULL * 1024 * 1024, 0, GL_DYNAMIC_STORAGE_BIT);
|
|
|
|
glBufferSubData(GL_ARRAY_BUFFER, indices[0] * sizeof(DefaultA2V), sizeof(DefaultA2V),
|
|
&DefaultTri[0]);
|
|
glBufferSubData(GL_ARRAY_BUFFER, indices[1] * sizeof(DefaultA2V), sizeof(DefaultA2V),
|
|
&DefaultTri[1]);
|
|
glBufferSubData(GL_ARRAY_BUFFER, indices[2] * sizeof(DefaultA2V), sizeof(DefaultA2V),
|
|
&DefaultTri[2]);
|
|
|
|
ConfigureDefaultVAO();
|
|
|
|
GLuint program = MakeProgram(GLDefaultVertex, GLDefaultPixel);
|
|
|
|
// make a simple texture so that the structured data includes texture initial states
|
|
GLuint tex = MakeTexture();
|
|
glBindTexture(GL_TEXTURE_2D, tex);
|
|
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, 4, 4);
|
|
|
|
while(Running())
|
|
{
|
|
float col[] = {0.2f, 0.2f, 0.2f, 1.0f};
|
|
glClearBufferfv(GL_COLOR, 0, col);
|
|
|
|
glClearTexImage(tex, 0, GL_RGBA, GL_FLOAT, col);
|
|
|
|
glBindVertexArray(vao);
|
|
|
|
glUseProgram(program);
|
|
|
|
glViewport(0, 0, GLsizei(screenWidth), GLsizei(screenHeight));
|
|
|
|
glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, NULL);
|
|
|
|
Present();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST();
|