73 if (texture.NeedsMipmapGeneration()) {
75 <<
"Texture mip count is > 1, but the mipmap has not been generated. "
76 "Texture can not be sampled safely.";
82 if (!target.has_value()) {
87 GLint mag_filter =
ToParam(desc.mag_filter);
91 if (texture.GetTextureDescriptor().mip_count > 1) {
92 min_filter =
ToParam(desc.min_filter, desc.mip_filter);
94 min_filter =
ToParam(desc.min_filter);
97 gl.TexParameteri(*target, GL_TEXTURE_MIN_FILTER, min_filter);
98 gl.TexParameteri(*target, GL_TEXTURE_MAG_FILTER, mag_filter);
100 const auto supports_decal_mode =
101 gl.GetCapabilities()->SupportsDecalSamplerAddressMode();
106 ToAddressMode(desc.height_address_mode, supports_decal_mode);
108 gl.TexParameteri(*target, GL_TEXTURE_WRAP_S, wrap_s);
109 gl.TexParameteri(*target, GL_TEXTURE_WRAP_T, wrap_t);
114 const GLfloat border_color[4] = {0.0f, 0.0f, 0.0f, 0.0f};
const SamplerDescriptor & GetDescriptor() const
static GLint ToAddressMode(SamplerAddressMode mode, bool supports_decal_sampler_address_mode)
static GLint ToParam(MinMagFilter minmag_filter)
constexpr std::optional< GLenum > ToTextureTarget(TextureType type)
#define IMPELLER_GL_TEXTURE_BORDER_COLOR
#define IMPELLER_GL_CLAMP_TO_BORDER