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08-update: Check for 3D texture support.

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This commit is contained in:
Branimir Karadžić 2015-03-28 11:55:49 -07:00
parent 092f8f19e7
commit 36b71e8e30
1 changed files with 18 additions and 8 deletions
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26
examples/08-update/update.cpp
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@ -167,12 +167,18 @@ int _main_(int /*_argc*/, char** /*_argv*/)
}
}
bgfx::TextureHandle textures3d[] =
const bgfx::Caps* caps = bgfx::getCaps();
const bool texture3DSupported = !!(caps->supported & BGFX_CAPS_TEXTURE_3D);
uint32_t numTextures3d = 0;
bgfx::TextureHandle textures3d[3] = {};
if (texture3DSupported)
{
bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R8, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem8),
bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R16F, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem16f),
bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R32F, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem32f),
};
textures3d[numTextures3d++] = bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R8, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem8);
textures3d[numTextures3d++] = bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R16F, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem16f);
textures3d[numTextures3d++] = bgfx::createTexture3D(32, 32, 32, 0, bgfx::TextureFormat::R32F, BGFX_TEXTURE_U_CLAMP|BGFX_TEXTURE_V_CLAMP|BGFX_TEXTURE_W_CLAMP, mem32f);
}
// Create static vertex buffer.
bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(bgfx::makeRef(s_cubeVertices, sizeof(s_cubeVertices) ), PosTexcoordVertex::ms_decl);
@ -188,7 +194,11 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::ProgramHandle program = loadProgram("vs_update", "fs_update");
bgfx::ProgramHandle programCmp = loadProgram("vs_update", "fs_update_cmp");
bgfx::ProgramHandle program3d = loadProgram("vs_update", "fs_update_3d");
bgfx::ProgramHandle program3d = BGFX_INVALID_HANDLE;
if (texture3DSupported)
{
program3d = loadProgram("vs_update", "fs_update_3d");
}
const uint32_t textureSide = 2048;
@ -399,7 +409,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::submit(1);
}
for (uint32_t ii = 0; ii < BX_COUNTOF(textures3d); ++ii)
for (uint32_t ii = 0; ii < numTextures3d; ++ii)
{
bx::mtxTranslate(mtx, xpos + ii*2.1f, -4.0f, 0.0f);
@ -465,7 +475,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::destroyTexture(textures[ii]);
}
for (uint32_t ii = 0; ii < BX_COUNTOF(textures3d); ++ii)
for (uint32_t ii = 0; ii < numTextures3d; ++ii)
{
bgfx::destroyTexture(textures3d[ii]);
}