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base: fast draw

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This commit is contained in:
luboslenco
2026-05-01 13:39:06 +02:00
parent 0c7516d4ad
commit dfd39f4fc6
2 changed files with 30 additions and 20 deletions
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base/sources/iron_draw.c
+20 -12
View File
@@ -11,6 +11,7 @@
#include <string.h>
#define DRAW_BATCH_QUADS 512
#define DRAW_VB_COUNT 64
draw_font_t *draw_font = NULL;
int draw_font_size;
@@ -20,8 +21,9 @@ static mat3_t draw_transform;
static uint32_t draw_color = 0;
static gpu_pipeline_t *draw_custom_pipeline = NULL;
static gpu_buffer_t draw_vertex_buffer;
static gpu_buffer_t draw_index_buffer;
int draw_vb_index = 0;
static gpu_buffer_t draw_vbs[DRAW_VB_COUNT];
static gpu_buffer_t draw_ib;
static gpu_vertex_structure_t draw_structure;
static gpu_pipeline_t image_pipeline;
@@ -90,11 +92,13 @@ void draw_init(buffer_t *image_vert, buffer_t *image_frag, buffer_t *rect_vert,
gpu_vertex_structure_add(&draw_structure, "tex", GPU_VERTEX_DATA_F32_2X);
gpu_vertex_structure_add(&draw_structure, "col", GPU_VERTEX_DATA_F32_4X);
gpu_vertex_buffer_init(&draw_vertex_buffer, DRAW_BATCH_QUADS * 4, &draw_structure);
draw_vertex_buffer.cpu_write = true;
for (int i = 0; i < DRAW_VB_COUNT; ++i) {
gpu_vertex_buffer_init(&draw_vbs[i], DRAW_BATCH_QUADS * 4, &draw_structure);
draw_vbs[i].cpu_write = true;
}
gpu_index_buffer_init(&draw_index_buffer, DRAW_BATCH_QUADS * 6);
int *indices = gpu_index_buffer_lock(&draw_index_buffer);
gpu_index_buffer_init(&draw_ib, DRAW_BATCH_QUADS * 6);
int *indices = gpu_index_buffer_lock(&draw_ib);
for (int i = 0; i < DRAW_BATCH_QUADS; ++i) {
int base = i * 4;
indices[i * 6] = base;
@@ -104,7 +108,7 @@ void draw_init(buffer_t *image_vert, buffer_t *image_frag, buffer_t *rect_vert,
indices[i * 6 + 4] = base + 2;
indices[i * 6 + 5] = base + 3;
}
gpu_index_buffer_unlock(&draw_index_buffer);
gpu_index_buffer_unlock(&draw_ib);
gpu_shader_t vert_shader;
gpu_shader_t frag_shader;
@@ -160,18 +164,22 @@ void draw_flush(void) {
return;
}
gpu_vertex_buffer_unlock(&draw_vertex_buffer);
gpu_vertex_buffer_unlock(&draw_vbs[draw_vb_index]);
draw_batch_verts = NULL;
gpu_set_pipeline(draw_batch_pipeline);
if (draw_batch_texture != NULL) {
gpu_set_texture(0, draw_batch_texture);
}
gpu_set_vertex_buffer(&draw_vertex_buffer);
gpu_set_index_buffer(&draw_index_buffer);
draw_index_buffer.count = draw_batch_count * 6;
gpu_set_vertex_buffer(&draw_vbs[draw_vb_index]);
gpu_set_index_buffer(&draw_ib);
draw_ib.count = draw_batch_count * 6;
gpu_draw();
if (++draw_vb_index == DRAW_VB_COUNT) {
gpu_execute_and_wait();
draw_vb_index = 0;
}
draw_batch_count = 0;
draw_batch_pipeline = NULL;
draw_batch_texture = NULL;
@@ -191,7 +199,7 @@ static void draw_batch_set(gpu_pipeline_t *pipeline, gpu_texture_t *tex) {
static void draw_push(float x0, float y0, float u0, float v0, float x1, float y1, float u1, float v1, float x2, float y2, float u2, float v2, float x3,
float y3, float u3, float v3, float r, float g, float b, float a) {
if (draw_batch_verts == NULL) {
draw_batch_verts = (float *)gpu_vertex_buffer_lock(&draw_vertex_buffer);
draw_batch_verts = (float *)gpu_vertex_buffer_lock(&draw_vbs[draw_vb_index]);
}
float *vp = draw_batch_verts + draw_batch_count * 4 * 8;
vp[0] = x0;
base/sources/iron_gpu.c
+10 -8
View File
@@ -12,6 +12,7 @@ static int textures_to_destroy_count = 0;
static int buffers_to_destroy_count = 0;
static int pipelines_to_destroy_count = 0;
extern int draw_vb_index;
int constant_buffer_index = 0;
int draw_calls = 0;
int draw_calls_last = 0;
@@ -124,6 +125,7 @@ void gpu_present() {
gpu_present_internal();
draw_calls_last = draw_calls;
draw_calls = 0;
draw_vb_index = 0;
gpu_cleanup();
}
@@ -439,14 +441,14 @@ void *gpu_bc7_compress(void *data, int width, int height) {
}
volatile int32_t next_block = 0;
bc7_thread_params_t tp = {
.src = (uint8_t *)data,
.dst = (uint8_t *)bc7_data,
.width = width,
.height = height,
.blocks_x = blocks_x,
.total_blocks = blocks_x * blocks_y,
.next_block = &next_block,
};
.src = (uint8_t *)data,
.dst = (uint8_t *)bc7_data,
.width = width,
.height = height,
.blocks_x = blocks_x,
.total_blocks = blocks_x * blocks_y,
.next_block = &next_block,
};
bc7enc_compress_block_params_init(&tp.params);
tp.params.m_max_partitions_mode = 0;
tp.params.m_try_least_squares = false;