drinkingtea/nostalgia
drinkingtea/nostalgia
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[nostalgia/core/userland] Make shader compile failures oxError and return error instead of panicing

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This commit is contained in:
Gary Talent 2021-03-18 01:34:07 -05:00
parent be0de98fc2
commit 4956534af4
3 changed files with 17 additions and 11 deletions
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2
src/nostalgia/core/userland/gfx_opengl.cpp
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@ -139,7 +139,7 @@ static void initBackgroundBufferset(Context *ctx, GLuint shader, Background *buf
ox::Error init(Context *ctx) {
const auto id = new GlImplData;
ctx->setRendererData(id);
id->bgShader = buildShaderProgram(bgvshad, bgfshad);
oxReturnError(buildShaderProgram(bgvshad, bgfshad).get(&id->bgShader));
for (auto &bg : id->backgrounds) {
initBackgroundBufferset(ctx, id->bgShader, &bg);
}

21
src/nostalgia/core/userland/glutils.cpp
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@ -13,7 +13,8 @@
namespace nostalgia::core::renderer {
[[nodiscard]] GLuint buildShader(GLuint shaderType, const GLchar *src, const char *shaderName) {
[[nodiscard]]
ox::Result<GLuint> buildShader(GLuint shaderType, const GLchar *src, const char *shaderName) {
auto shader = glCreateShader(shaderType);
glShaderSource(shader, 1, &src, nullptr);
glCompileShader(shader);
@ -23,29 +24,31 @@ namespace nostalgia::core::renderer {
static const auto errMsgSize = 1000;
char errMsg[errMsgSize];
glGetShaderInfoLog(shader, errMsgSize, nullptr, errMsg);
oxTracef("nostalgia::core::gfx::gl", "shader compile error in {}: {}", shaderName, errMsg);
oxPanic(OxError(1), "shader compile error");
oxErrorf("shader compile error in {}: {}", shaderName, errMsg);
glDeleteShader(shader);
shader = 0;
return OxError(1, "shader compile error");
}
return shader;
}
[[nodiscard]] GLuint buildVertShader(const GLchar *src, const char *shaderName) {
[[nodiscard]]
ox::Result<GLuint> buildVertShader(const GLchar *src, const char *shaderName) {
return buildShader(GL_VERTEX_SHADER, src, shaderName);
}
[[nodiscard]] GLuint buildFragShader(const GLchar *src, const char *shaderName) {
[[nodiscard]]
ox::Result<GLuint> buildFragShader(const GLchar *src, const char *shaderName) {
return buildShader(GL_FRAGMENT_SHADER, src, shaderName);
}
[[nodiscard]] GLuint buildShaderProgram(const GLchar *vert, const GLchar *frag) {
[[nodiscard]]
ox::Result<GLuint> buildShaderProgram(const GLchar *vert, const GLchar *frag) {
GLuint prgm = 0;
const auto vs = buildVertShader(vert, "vshad");
oxRequire(vs, buildVertShader(vert, "vshad"));
if (!vs) {
glDeleteShader(vs);
} else {
const auto fs = buildFragShader(frag, "fshad");
oxRequire(fs, buildFragShader(frag, "fshad"));
if (!fs) {
// cleanup shaders that were created
glDeleteShader(fs);

5
src/nostalgia/core/userland/glutils.hpp
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@ -14,6 +14,8 @@
#include <GLES3/gl3.h>
#endif
#include <ox/std/error.hpp>
namespace nostalgia::core::renderer {
struct Texture {
@ -39,7 +41,8 @@ struct Bufferset {
GLsizei eboElements = 0;
};
[[nodiscard]] GLuint buildShaderProgram(const GLchar *vert, const GLchar *frag);
[[nodiscard]]
ox::Result<GLuint> buildShaderProgram(const GLchar *vert, const GLchar *frag);
void destroy(const Bufferset &bufferset);