diff options
Diffstat (limited to 'opengl/libagl2/src/shader.cpp')
-rw-r--r-- | opengl/libagl2/src/shader.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/opengl/libagl2/src/shader.cpp b/opengl/libagl2/src/shader.cpp new file mode 100644 index 0000000..076e388 --- /dev/null +++ b/opengl/libagl2/src/shader.cpp @@ -0,0 +1,191 @@ +#include "gles2context.h" + +//#undef LOGD +//#define LOGD(...) + +static inline GLuint s2n(gl_shader * s) +{ + return (GLuint)s ^ 0xaf3c532d; +} + +static inline gl_shader * n2s(GLuint n) +{ + return (gl_shader *)(n ^ 0xaf3c532d); +} + +static inline GLuint p2n(gl_shader_program * p) +{ + return (GLuint)p ^ 0x04dc18f9; +} + +static inline gl_shader_program * n2p(GLuint n) +{ + return (gl_shader_program *)(n ^ 0x04dc18f9); +} + +void glAttachShader(GLuint program, GLuint shader) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderAttach(ctx->iface, n2p(program), n2s(shader)); +} + +void glBindAttribLocation(GLuint program, GLuint index, const GLchar* name) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderAttributeBind(n2p(program), index, name); +// assert(0); +} + +GLuint glCreateShader(GLenum type) +{ + GLES2_GET_CONST_CONTEXT(ctx); + return s2n(ctx->iface->ShaderCreate(ctx->iface, type)); +} + +GLuint glCreateProgram(void) +{ + GLES2_GET_CONST_CONTEXT(ctx); + return p2n(ctx->iface->ShaderProgramCreate(ctx->iface)); +} + +void glCompileShader(GLuint shader) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderCompile(ctx->iface, n2s(shader), NULL, NULL); +} + +void glDeleteProgram(GLuint program) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderProgramDelete(ctx->iface, n2p(program)); +} + +void glDeleteShader(GLuint shader) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderDelete(ctx->iface, n2s(shader)); +} + +void glDetachShader(GLuint program, GLuint shader) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderDetach(ctx->iface, n2p(program), n2s(shader)); +} + +GLint glGetAttribLocation(GLuint program, const GLchar* name) +{ + GLES2_GET_CONST_CONTEXT(ctx); + GLint location = ctx->iface->ShaderAttributeLocation(n2p(program), name); +// LOGD("\n*\n*\n* agl2: glGetAttribLocation program=%u name=%s location=%d \n*\n*", +// program, name, location); + return location; +} + +void glGetProgramiv(GLuint program, GLenum pname, GLint* params) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderProgramGetiv(n2p(program), pname, params); + LOGD("agl2: glGetProgramiv 0x%.4X=%d \n", pname, *params); +} + +void glGetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderProgramGetInfoLog(n2p(program), bufsize, length, infolog); +} + +void glGetShaderiv(GLuint shader, GLenum pname, GLint* params) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderGetiv(n2s(shader), pname, params); + LOGD("agl2: glGetShaderiv 0x%.4X=%d \n", pname, *params); +} + +void glGetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderGetInfoLog(n2s(shader), bufsize, length, infolog); +} + +int glGetUniformLocation(GLuint program, const GLchar* name) +{ + GLES2_GET_CONST_CONTEXT(ctx); + return ctx->iface->ShaderUniformLocation(n2p(program), name); +} + +void glLinkProgram(GLuint program) +{ + GLES2_GET_CONST_CONTEXT(ctx); + GLboolean linked = ctx->iface->ShaderProgramLink(n2p(program), NULL); + assert(linked); +} + +void glShaderSource(GLuint shader, GLsizei count, const GLchar** string, const GLint* length) +{ + GLES2_GET_CONST_CONTEXT(ctx); + ctx->iface->ShaderSource(n2s(shader), count, string, length); +} + +void glUniform1f(GLint location, GLfloat x) +{ + GLES2_GET_CONST_CONTEXT(ctx); + int sampler = ctx->iface->ShaderUniform(ctx->rasterizer.CurrentProgram, location, 1, &x, GL_FLOAT); + assert(0 > sampler); // should be assigning to sampler +} + +void glUniform1i(GLint location, GLint x) +{ + GLES2_GET_CONST_CONTEXT(ctx); + const float params[1] = {x}; + int sampler = ctx->iface->ShaderUniform(ctx->rasterizer.CurrentProgram, location, 1, params, GL_INT); + if (0 <= sampler) { +// LOGD("\n*\n* agl2: glUniform1i updated sampler=%d tmu=%d location=%d\n*", sampler, x, location); + assert(0 <= x && GGL_MAXCOMBINEDTEXTUREIMAGEUNITS > x); +// LOGD("tmu%u: format=0x%.2X w=%u h=%u levels=%p", x, ctx->tex.tmus[x]->format, +// ctx->tex.tmus[x]->width, ctx->tex.tmus[x]->height, ctx->tex.tmus[x]->format); + ctx->tex.sampler2tmu[sampler] = x; + ctx->tex.UpdateSampler(ctx->iface, x); + } +} + +void glUniform2f(GLint location, GLfloat x, GLfloat y) +{ + GLES2_GET_CONST_CONTEXT(ctx); + const float params[4] = {x, y}; + ctx->iface->ShaderUniform(ctx->rasterizer.CurrentProgram, location, 1, params, GL_FLOAT_VEC2); +} + +void glUniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GLES2_GET_CONST_CONTEXT(ctx); + const float params[4] = {x, y, z, w}; +// LOGD("agl2: glUniform4f location=%d %f,%f,%f,%f", location, x, y, z, w); + ctx->iface->ShaderUniform(ctx->rasterizer.CurrentProgram, location, 1, params, GL_FLOAT_VEC4); +} + +void glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + GLES2_GET_CONST_CONTEXT(ctx); +// const gl_shader_program * program = ctx->rasterizer.CurrentProgram; +// if (strstr(program->Shaders[MESA_SHADER_FRAGMENT]->Source, ").a;")) { +// LOGD("agl2: glUniformMatrix4fv location=%d count=%d transpose=%d", location, count, transpose); +// for (unsigned i = 0; i < 4; i++) +// LOGD("agl2: glUniformMatrix4fv %.2f \t %.2f \t %.2f \t %.2f", value[i * 4 + 0], +// value[i * 4 + 1], value[i * 4 + 2], value[i * 4 + 3]); +// } + ctx->iface->ShaderUniformMatrix(ctx->rasterizer.CurrentProgram, 4, 4, location, count, transpose, value); +// while (true) +// ; +// assert(0); +} + +void glUseProgram(GLuint program) +{ + GLES2_GET_CONST_CONTEXT(ctx); +// LOGD("\n*\n*\n* agl2: glUseProgram %d \n*\n*\n*", program); + ctx->iface->ShaderUse(ctx->iface, n2p(program)); + ctx->iface->ShaderUniformGetSamplers(n2p(program), ctx->tex.sampler2tmu); + for (unsigned i = 0; i < GGL_MAXCOMBINEDTEXTUREIMAGEUNITS; i++) + if (0 <= ctx->tex.sampler2tmu[i]) + ctx->iface->SetSampler(ctx->iface, i, ctx->tex.tmus[ctx->tex.sampler2tmu[i]]); +} |